Support Your Heart & Circulation

Support Healthy Circulation

Good circulation is mostly about keeping blood moving through the arteries and veins of your legs, hands and feet, and the everyday habits that protect them: moving often, not smoking, staying warm and caring for your legs. This page covers leg and limb circulation, cold fingers and toes, and leg swelling and varicose veins; blood pressure, cholesterol, fitness and heart-healthy eating have their own goal pages.

General information, not medical advice. Last updated October 31, 2026. Written by the AlternativeMed editorial team. Not medically reviewed.

Start here

Move often: aim for the 150 minutes of moderate activity a week that the NHS recommends, such as brisk walking, and break up long spells of sitting with short walks.
If you smoke, stopping is the single most useful step for blood vessels, and free help is available (the NHS Stop Smoking Service in the UK, or a quitline in other countries).
Keep your legs raised when you rest if they ache or swell, and keep your hands and feet warm in cold weather.

Be careful with

Calf or leg pain that comes on with walking and eases with rest, sores on the legs or feet that will not heal, or one leg that is swollen, red and painful are not things to try to fix with home remedies. See a clinician.
Do not stop, reduce or swap a prescribed medicine (for blood pressure, cholesterol, blood thinning or the heart) because of anything on this page.
Herbs and supplements marketed for circulation can interact with medicines, especially blood thinners. Ask a pharmacist or doctor first, and avoid them in pregnancy or breastfeeding unless a clinician says otherwise.
Do not warm cold hands or feet on a radiator or under very hot water; the NHS advises against it.

Get help when

Call emergency services at once for chest pain that feels tight or like squeezing, pain spreading to the arm, neck or jaw, severe difficulty breathing, fainting, or pale blue or grey lips or skin. The NHS names 999 in the UK; the US NHLBI names 9-1-1.
Call emergency services at once for stroke signs: face drooping, arm weakness, slurred or confused speech, sudden blurred vision, severe headache, or numbness down one side, even if they pass within minutes (NHS: FAST).
Call emergency services at once if a foot or leg suddenly cannot be felt or moved, or one foot is paler or colder than the other, or the leg or foot hurts or has pins and needles at rest (NHLBI describes this as acute limb ischemia).
Get medical help straight away for pain and swelling in one leg (usually the calf or thigh) with red, blue or darkened skin; this can be a blood clot (DVT). If you are also short of breath or have chest pain, call emergency services (NHS).
See a doctor soon for leg pain that returns when you walk and goes away with rest, leg or foot sores that do not heal in 2 weeks, skin colour changes, shiny or hairless legs, or toes that turn cold, numb or dark.
See a doctor for cold, colour-changing fingers or toes if symptoms are only on one side, you are over 30 and it is the first time, you also have joint pain, rashes or muscle weakness, or a child under 12 has them (NHS wording for Raynaud's).
Bleeding from a varicose vein needs urgent help (NHS); very high home blood pressure readings should be handled as your clinician has advised.

About Support Healthy Circulation

What this goal means

Circulation means blood flowing out through arteries to your tissues and back through veins to your heart. Supporting healthy circulation means looking after both sides: keeping arteries open and flexible, and helping veins push blood back up the legs.

This page focuses on the limbs: legs, feet, hands, leg swelling, varicose veins and cold fingers and toes. It is not a promise to "boost" or "detox" the blood; it is about habits that health agencies link with healthier blood vessels.

^1,2,3

What it can feel like

People describe aching, heavy or tired legs after standing or sitting for long periods, swollen ankles at the end of the day, visible twisted veins, cold hands and feet, and fingers or toes that turn white, blue or red in the cold or when stressed (Raynaud's). Some have leg pain when walking that eases within minutes of rest, which the NHS calls intermittent claudication.

Many people with peripheral arterial disease (PAD) have no symptoms, so the absence of symptoms does not rule out a problem if you have risk factors.

^2,4,1,5

What can make it harder

For arteries, the NHS names smoking as the most significant risk factor for PAD, along with diabetes, high blood pressure, high cholesterol and getting older. For veins, the NHS lists being a woman, older age, overweight, pregnancy, spending a lot of time standing or sitting, family history and a past DVT.

Cold weather and sudden changes in temperature, stress, caffeine, and working with vibrating tools can set off Raynaud's symptoms; some medicines can too. Long journeys of more than 4 hours, dehydration and being immobile raise the chance of a clot in the leg.

^1,2,4,6

Conditions that can be behind it

Leg or limb circulation problems can reflect peripheral arterial disease (narrowed leg arteries), chronic venous insufficiency or varicose veins (valves in the veins not working), Raynaud's phenomenon (blood vessels in fingers and toes narrowing in response to cold or stress), chilblains, deep vein thrombosis, or swelling from other causes such as heart, kidney or liver problems, pregnancy or some medicines.

Raynaud's is sometimes caused by another health condition, and NHS advice is to see a GP if it starts after age 30 or comes with joint pain, rashes or muscle weakness. Because PAD is a form of cardiovascular disease, having it also raises the chance of heart attack and stroke.

^1,2,4,7,6,8

Realistic expectations

Habit changes build slowly. In a Cochrane review of 32 trials (1,835 people with stable leg pain on walking), exercise programmes lengthened pain-free walking distance by about 82 metres on average and maximum walking distance by about 120 metres compared with no exercise, but did not change the ankle brachial index, a blood-pressure comparison between arm and ankle.

The NHS says varicose veins may get worse without treatment, but usually very slowly over several years, and that habits can help symptoms rather than remove the veins. After stopping smoking the NHS says circulation improves within about 2 to 12 weeks.

^9,2,10

Who this applies to

Adults who want to look after their circulation, people who sit or stand for long periods at work, and people with mild leg heaviness, swelling, varicose veins or cold hands and feet. If you already have a diagnosis such as PAD, DVT, heart disease or Raynaud's linked to another condition, follow your care team's plan and use this page as background.

Blood pressure, cholesterol, triglycerides, fitness, heart-healthy eating and cutting sitting time are covered in their own goals, linked below.

¹¹

Related conditions and symptoms

Prediabetes, type 2 diabetes and metabolic syndrome → Obesity and weight-related health → Pregnancy, postpartum and breastfeeding → Healthy aging →

A manageable starting plan

An educational starting point, not a personal prescription. Adjust it to your own situation and any advice from your clinician.

Your first actions

Set a walking habit: add a brisk 10-minute walk to most days and work towards 150 minutes of moderate activity a week.
Break up sitting: stand or walk for a few minutes about every hour.
If you smoke, pick a quit date and book free support.
Raise your legs for a short period at the end of the day if they ache or swell.

Optional additions

Wear warm gloves and thick socks in cold weather and cut back on caffeine if fingers and toes change colour.
Ask a pharmacist about fitted compression stockings for long journeys or leg swelling.
Choose a relaxation method (breathing exercises, yoga) if stress sets off your symptoms.

What to track

A simple 2-week log: minutes walked, how often you broke up sitting, leg swelling at the end of the day (ankle tightness, sock marks), and any leg pain with walking or colour changes in fingers and toes.
Cigarettes avoided, if you are quitting.

When to reassess

Give habit changes 4 to 8 weeks. If leg pain on walking, swelling, skin changes, sores, or cold, colour-changing fingers and toes are not improving, getting worse, or are one-sided, see a doctor.

When to seek professional support

See a GP or pharmacist for leg pain, swelling, varicose veins that bother you, or cold fingers and toes that affect daily life.
Use the NHS Stop Smoking Service or a national quitline for help to quit.
Ask your care team before changing exercise if you have heart disease, diabetes or take blood thinners.

What helps

Ordered by how well the research supports each step. Evidence strength is shown on every card; precautions sit next to the advice.

Start here

Break up long spells of sitting and standing

Moderate certainty

Addresses: Keeps blood moving in the legs

Why it may help: A meta-analysis of randomized crossover trials found that strategies to interrupt prolonged sitting raised blood flow, shear rate and flow-mediated dilation (a measure of how well arteries widen) compared with sitting uninterrupted. Another meta-analysis found prolonged sitting progressively reduced lower-limb flow-mediated dilation after 120 and 180 minutes in healthy adults. The NHS tells adults to break up long periods of not moving, and tells people to avoid sitting still for long and to get up about every hour. The NHS also advises against standing for long periods if you have varicose veins.

How to apply it: Stand, walk to another room or do a few minutes of walking about every hour; if you must sit, keep your feet raised when you can.

Who it may suit: Desk workers, drivers, travellers and anyone who stands still at work.

Precautions: These were mostly short laboratory studies measuring blood vessel function, not heart attacks or leg problems. People with leg pain, a recent DVT or a medical condition should ask their clinician what activity suits them.

^12,13,14,6,2

Sit Less & Move More →

Regular brisk walking or other aerobic activity

Moderate certainty

Addresses: Supports healthier blood vessels and, in PAD, walking distance

Why it may help: The NHS recommends at least 150 minutes of moderate activity a week (or 75 minutes of vigorous activity) spread across the week, and says a brisk 10-minute daily walk has health benefits. A meta-analysis of 66 studies found exercise training improved brachial artery flow-mediated dilation, a marker of blood vessel function, more with higher intensity and with 150 minutes or more a week. In a large meta-analysis of 15 cohorts, taking more steps per day was linked with lower all-cause mortality, levelling off around 6,000 to 8,000 steps a day in people 60 and over and 8,000 to 10,000 in younger adults; this type of study shows an association, not proof.

How to apply it: Build up gradually; you should be able to talk but not sing at moderate intensity. Add more walking to the day rather than relying on one session.

Who it may suit: Most adults; also people with leg pain when walking, with their clinician's guidance.

Precautions: Speak to a doctor first if you have not exercised for some time or have a medical condition (NHS). Stop and get help for chest pain, fainting or severe breathlessness.

^14,15,16,17

Improve Your Cardiovascular Fitness →

Stop smoking and avoid secondhand smoke

High certainty

Addresses: Protects arteries and veins and improves blood flow over weeks

Why it may help: The NHS calls smoking the most significant risk factor for PAD, says it damages veins and can trigger Raynaud's, and says circulation improves within about 2 to 12 weeks of quitting. The NHLBI says quitting can reduce PAD symptoms and the risk of complications, and recommends avoiding secondhand smoke.

How to apply it: Choose a quit date and use free support such as the NHS Stop Smoking Service or a national quitline; a pharmacist or doctor can discuss options.

Who it may suit: Anyone who smokes, especially with leg pain, diabetes or cold fingers and toes.

Precautions: Withdrawal can be hard; ask a clinician for support, especially if you take medicines or are pregnant.

^1,4,2,10,11

Raise your legs when resting

Moderate certainty

Addresses: Eases aching, heaviness and swelling in the legs

Why it may help: The NHS lists putting your legs up, for example lying down with them on cushions, as a self-care step for varicose veins, and says symptoms are often worse after long standing and better with legs raised. MedlinePlus says keeping legs raised when sitting is one way to keep swelling down.

How to apply it: Lie down with your legs on cushions for short periods, or put your feet up when sitting.

Who it may suit: People with varicose veins, tired legs, or swelling at the end of the day.

Precautions: Persistent or one-sided swelling needs a medical check; do not assume it is only fluid.

^2,8,6

Additional options

Keep hands and feet warm and avoid sudden temperature changes

Moderate certainty

Addresses: Fewer Raynaud's or chilblain flare-ups

Why it may help: The NHS advises people with Raynaud's to keep the home warm, wear warm clothes especially on hands and feet, and avoid sudden temperature changes. For chilblains it advises warm waterproof clothing, gloves and thick socks in cold or damp weather, and drying and slowly warming skin after cold exposure.

How to apply it: Layer clothing, use gloves and thick socks, and warm up gradually. Do not place hands or feet on a radiator or under hot water.

Who it may suit: People with cold fingers and toes, Raynaud's or chilblains.

Precautions: Numb skin can burn without you noticing; test water temperature with an unaffected body part. Diabetes makes foot problems more serious, so see a GP if you have chilblains and diabetes.

^4,7

Reduce caffeine if cold fingers and toes are a problem

Low certainty

Addresses: May reduce triggers for Raynaud's and chilblains

Why it may help: The NHS says too much caffeine (tea, coffee, cola and chocolate) may trigger Raynaud's symptoms and advises people with chilblains to avoid caffeinated drinks, since they can affect the flow of blood in fingers and toes.

How to apply it: Cut back gradually and see whether the attacks change; keep a note of symptoms.

Who it may suit: People whose fingers or toes change colour or feel painful in the cold.

Precautions: This is agency advice rather than a trial result. Do not stop caffeine abruptly if you are used to a lot; headaches are common.

^4,7

Caffeine and Energy Drinks →

Keep a healthy weight

Moderate certainty

Addresses: Less strain on leg veins and lower clot risk

Why it may help: The NHS lists being overweight as more likely to lead to varicose veins and DVT, and recommends keeping to a healthy weight as part of self-care for varicose veins and DVT prevention.

How to apply it: Focus on gradual, sustainable changes rather than crash diets; see the linked weight pages.

Who it may suit: Adults living with overweight and leg heaviness or varicose veins.

Precautions: If you have a history of disordered eating, work with a clinician rather than self-directed weight loss.

^2,6

Lose Weight Sustainably → Healthy weight basics →

Wearing compression stockings when a clinician advises

Moderate certainty

Addresses: Less swelling and, in some groups, fewer ulcer recurrences

Why it may help: The NHS says compression stockings put pressure on the lower legs, improve blood flow and can help with swelling and pain, and that they may be offered for varicose veins when procedures are unsuitable. A meta-analysis of five trials in older adults with chronic venous insufficiency and swollen legs found class 2 stockings probably reduce leg ulcer recurrence compared with class 1. A Cochrane review found that on flights of at least four hours stockings sharply reduced symptomless DVT and also reduced leg swelling.

How to apply it: Ask a doctor or pharmacist to measure and choose the right type; wear them during the day and take them off at bedtime (NHS).

Who it may suit: People with venous leg symptoms, a history of ulcers, or long-haul travellers at higher risk.

Precautions: The NHS says stockings are not suitable if you have problems with blood flow in your arteries; a specialist can check. Poorly fitted stockings can cause problems, so get fitted.

^2,18,19

Still being studied

Relaxation, breathing exercises and yoga for stress-triggered Raynaud's

Not enough evidence

Addresses: May ease the stress component of attacks

Why it may help: The NHS suggests breathing exercises or yoga to help you relax if you have Raynaud's, because anxiety and stress can set off colour changes. However, a systematic review of behaviour change interventions for Raynaud's (eight trials, mostly biofeedback, published 1978 to 2002, mostly at high risk of bias) found no evidence either way on whether they work.

How to apply it: Try a relaxation method you enjoy; treat it as an extra alongside keeping warm.

Who it may suit: People whose attacks follow stress.

Precautions: Low risk for most, but do not rely on it instead of getting symptoms checked.

^4,20

Breathing exercises for stress → Yoga →

Mediterranean-style eating for artery health

Low certainty

Addresses: May lower the chance of developing PAD

Why it may help: A systematic review of diet and PAD found most studies were observational; a sub-analysis of the PREDIMED trial was the only randomized trial of diet and PAD and suggested the Mediterranean diet may be protective. The reviewers said high-quality data are scarce and larger studies are needed.

How to apply it: See the Eat for Heart Health page for practical food choices.

Who it may suit: Adults wanting a long-term eating pattern for vascular health.

Precautions: Dietary change should fit your medicines and conditions; check with a clinician if you take a blood thinner.

²¹

Eat for Heart Health →

Spa or water-based treatment (balneotherapy) for chronic venous insufficiency

Low certainty

Addresses: May slightly improve leg vein symptoms

Why it may help: A Cochrane review of nine trials (1,126 people with chronic venous insufficiency) found balneotherapy probably results in slightly improved disease severity scores compared with no treatment (moderate certainty), and may improve pain and skin pigmentation (low certainty), but made little or no difference to swelling or ulcers. Certainty was lowered because participants and assessors could not be blinded.

How to apply it: Usually delivered at a spa or by a physiotherapist; it is not a home remedy.

Who it may suit: People with diagnosed venous insufficiency exploring non-drug options.

Precautions: Hot water can be unsuitable if you have heart disease, low blood pressure or skin ulcers; ask a clinician first.

²²

Hydrotherapy →

Food & nutrition

Eating for healthy blood vessels

The NHLBI describes a heart-healthy eating plan for PAD as including fruits, vegetables and whole grains and limiting saturated fats. A systematic review found the evidence linking diet and PAD is mostly observational, with one randomized trial sub-analysis suggesting the Mediterranean diet may help prevent PAD.

Food choices for blood pressure and cholesterol are covered on the heart-healthy eating and blood pressure goal pages.

^11,21

Salt and leg swelling

MedlinePlus lists eating too much salt among the causes of swelling (edema) and says a provider may recommend limiting salt, keeping legs raised and wearing support stockings. Swelling can also come from heart, kidney and liver problems and some medicines, so persistent swelling should be checked.

⁸

Fluids, alcohol and long journeys

The NHS says DVT is more likely if you are dehydrated and advises drinking plenty of water on long journeys and avoiding alcohol. These are habit tips from the NHS; we did not find trials of specific drinks for leg circulation.

⁶

Caffeine and cold fingers and toes

The NHS says caffeine in tea, coffee, cola and chocolate may trigger Raynaud's symptoms. If cold fingers and toes bother you, try cutting back and see whether it helps.

⁴

Beetroot, garlic and "nitric oxide" foods

We did not find a randomized trial or agency page that shows beetroot, garlic or other foods improve leg or hand circulation in people with circulation problems, so this page makes no such claim. They can be part of a varied, heart-healthy diet; ask a pharmacist before using concentrated supplements if you take blood thinners.

^21,23

Remedies & supplements

Traditional use, laboratory findings and human trials are kept apart. "Natural" does not mean safe.

Horse chestnut seed extract (standardized)

Moderate certainty

Studied form and route: Oral standardized seed extract, not raw seeds, bark or leaves

Intended outcome: Fewer symptoms of chronic venous insufficiency (leg pain, swelling)

Human evidence: A Cochrane review of placebo-controlled trials found that horse chestnut seed extract appeared to improve CVI signs and symptoms; in six trials (502 people) leg volume was about 32 ml lower than with placebo, and one trial suggested it may be as effective as compression stockings. NCCIH also describes a 2012 systematic review of 17 studies suggesting symptom improvement.

Traditional use: NCCIH says it was traditionally used for arthritis, pain and swelling, menstrual cramps and haemorrhoids.

Limits: The reviewers say larger, more rigorous trials are needed; evidence is short-term. It is studied for diagnosed venous insufficiency, not general circulation.

Interactions and precautions: Raw seeds, bark, flowers and leaves are unsafe by mouth. Side effects can include dizziness, digestive upset, headache and itching. Little is known about safety in pregnancy and breastfeeding. Check interactions with a pharmacist if you take medicines.

^24,25

Horse chestnut →

Flavonoid "phlebotonics" (rutosides, diosmin, calcium dobesilate, pine bark and grape seed extracts and others)

Moderate certainty

Studied form and route: Oral supplements or prescription-type products sold for vein health

Intended outcome: Slightly less leg swelling in chronic venous insufficiency

Human evidence: A Cochrane review of 56 placebo-controlled trials (7,690 people, average age 50) found moderate-certainty evidence that phlebotonics probably reduce oedema slightly (RR 0.70) and ankle circumference by about 4 mm, with little or no difference in quality of life and low-certainty evidence of no effect on ulcer healing. French maritime pine bark extract and grape seed extract each had only one or two trials.

Limits: Short-term data only; most commonly reported side effects were digestive. Pine bark and grape seed extracts cannot be judged separately from this review.

Interactions and precautions: Phlebotonics probably increase side effects slightly. Ask a pharmacist about interactions, especially with blood thinners, and avoid in pregnancy or breastfeeding unless a clinician advises.

^26,27

Grape seed extract →

Ginkgo biloba extract

Low certainty

Studied form and route: Oral leaf extract

Intended outcome: Better walking distance in PAD, or fewer Raynaud's attacks

Human evidence: A Cochrane review of 14 trials (739 people) found no evidence of a clinically significant benefit for leg-artery disease; the pooled gain in walking distance was about 65 metres and not statistically significant. For Raynaud's, one trial of a ginkgo phytosome reported a reduction in attacks per week, while a later placebo-controlled pilot trial of 41 people found no significant difference from placebo.

Traditional use: NCCIH notes a long history of use in Chinese medicine for cough, diarrhoea and other conditions.

Limits: Publication bias likely inflated the benefit seen. NCCIH says ginkgo has not been shown effective for any condition studied, and is not helpful for preventing heart disease or treating high blood pressure.

Interactions and precautions: May increase bleeding with anticoagulants, may interact with other drugs, and may be unsafe in pregnancy; fresh seeds are toxic. Common side effects are dizziness, stomach upset and headache.

^28,29,30,23

Ginkgo →

Therapies & care

Established care depends on the cause. Leg pain on walking is assessed by a clinician (often by comparing blood pressure in the arm and ankle) and treated with lifestyle changes, exercise programmes, medicines and sometimes procedures. Varicose veins can be scanned and treated by a specialist, and Raynaud's is sometimes treated with a medicine that widens blood vessels. This page does not recommend medicines or doses, and you should not stop a prescribed medicine on your own.

Supervised or structured walking programmes for leg pain (PAD)

High certainty

Exercise therapy The NHLBI says supervised programmes usually meet at least 3 times a week for 3 to 9 months, with treadmill walking the most common exercise; home-based coaching programmes use walking outside. A Cochrane review found exercise improved pain-free and maximum walking distance with high-quality evidence, with benefits lasting up to two years in some trials.

Who it may suit: People diagnosed with intermittent claudication who are fit enough to exercise.

Precautions: Start under clinician guidance. Stop and get help for chest pain, fainting or rest pain in the leg.

^9,11

Stop-smoking support

High certainty

Behavioural and medical support The NHS runs a Stop Smoking Service; the NHLBI points to quitlines. Quitting is described by the NHLBI as reducing PAD symptoms and risk of complications, and the NHS says circulation improves within weeks.

Who it may suit: Anyone who smokes.

Precautions: Discuss options with a clinician if pregnant, on other medicines or with a heart condition.

^10,11

Compression stockings

Moderate certainty

Medical device Used for swelling and pain from varicose veins or venous insufficiency and to reduce leg swelling and symptomless clots on long flights. Trials in older adults found class 2 stockings probably reduce ulcer recurrence versus class 1.

Who it may suit: People with venous symptoms or long-haul travel risk.

Precautions: Not suitable with arterial blood flow problems; get fitted by a clinician or pharmacist.

^2,18,19

Vein procedures

Moderate certainty

Specialist treatment The NHS says endothermal ablation is usually the first choice for varicose veins that cause symptoms, with foam sclerotherapy or surgery if unsuitable; a duplex ultrasound confirms the diagnosis. Treatment for looks alone is not usually available on the NHS.

Who it may suit: People with painful, swollen or complicated varicose veins, referred by a GP.

Precautions: Procedures are not usually recommended during pregnancy; varicose veins often improve after birth.

Medical assessment for Raynaud's

Moderate certainty

Primary care A GP can check for another cause and, if symptoms are very bad, may prescribe a medicine that improves circulation to the fingers and toes.

Who it may suit: People whose symptoms are severe, one-sided, new after age 30, or come with joint pain or rashes.

Precautions: Medicines have side effects; follow the prescriber's advice.

⁴

Acupuncture and massage

Not enough evidence

Complementary therapies We did not find a trial or agency page showing that acupuncture or massage improves limb circulation in a medical condition, so we do not rate them for this goal. Massage can be relaxing but should avoid a leg that might have a DVT.

Who it may suit: People who enjoy them for relaxation.

Precautions: Do not massage a swollen, red, painful leg; get it checked first.

⁶

Massage → Acupuncture →

What to avoid

Habits, products and claims that can get in the way. Never stop a prescribed medicine without talking to the professional who prescribed it.

Risks that apply to most people

Smoking and secondhand smoke

High certainty

Why: The NHS names smoking the most significant risk factor for PAD and says it damages veins and can trigger Raynaud's; the NHLBI recommends avoiding secondhand smoke.

Who it applies to: Everyone; especially people with leg pain, diabetes or cold fingers and toes.

Try instead: Get free help to quit; improvement in circulation starts within weeks.

^1,4,2,11,10

Long unbroken spells of sitting or standing

Moderate certainty

Why: A meta-analysis found prolonged uninterrupted sitting reduced lower-limb blood vessel function in healthy adults; the NHS advises against standing or sitting for long periods with varicose veins unless feet are raised, and says to get up about every hour to lower DVT risk.

Who it applies to: Desk workers, drivers, shop and factory workers, people on long trips.

Try instead: Change position, walk for a few minutes, and raise your feet when you can.

^13,2,6

Sit Less & Move More →

Personal triggers to check

Sudden changes in temperature and getting cold

Moderate certainty

Why: The NHS advises people with Raynaud's to avoid sudden temperature changes and keep hands and feet warm; chilblains develop after cold exposure.

Who it applies to: People with Raynaud's, chilblains or cold fingers and toes.

Try instead: Layer up, wear gloves and thick socks, and warm up gradually.

^4,7

Caffeine and decongestant medicines when fingers and toes are affected

Low certainty

Why: The NHS says caffeine may trigger Raynaud's symptoms, and that for chilblains caffeine and decongestants can affect blood flow in fingers and toes.

Who it applies to: People with Raynaud's or chilblains.

Try instead: Cut back on caffeine and ask a pharmacist for alternatives to decongestants.

^4,7

Long journeys without moving, drinking little, or drinking lots of alcohol

Moderate certainty

Why: The NHS lists journeys of more than 4 hours and being dehydrated as times with a higher chance of DVT, and advises loose clothing, plenty of water, avoiding alcohol and walking around when possible.

Who it applies to: Travellers, especially with a past DVT, recent surgery, pregnancy or cancer.

Try instead: Walk and stretch regularly, drink water, and ask a clinician about stockings if you are at higher risk.

^6,19

Products that need caution

Compression stockings that are the wrong type or used with poor arterial blood flow

Moderate certainty

Why: The NHS says stockings are not suitable if you have problems with blood flow in your arteries, and that it is important to talk to a doctor or pharmacist to get the right type.

Who it applies to: People with leg pain on walking, known PAD, diabetes with foot problems, or unexplained cold, pale feet.

Try instead: Have your legs assessed before wearing medical-grade stockings.

^2,1

Raw horse chestnut seeds, bark, flowers or leaves, and fresh or roasted ginkgo seeds

Moderate certainty

Why: NCCIH says raw horse chestnut seeds, bark, flowers and leaves are unsafe by mouth because they contain a toxic component, and that fresh ginkgo seeds are toxic and serious side effects have occurred with roasted seeds.

Who it applies to: Anyone considering home-made herbal preparations.

Try instead: If you want to try a herbal product, ask a pharmacist; the studied form is a standardized horse chestnut seed extract.

^25,23

Ginkgo and other circulation herbs with blood thinners

Moderate certainty

Why: NCCIH says ginkgo may increase the risk of bleeding in people taking anticoagulant drugs such as warfarin and may interact with other drugs.

Who it applies to: Anyone on anticoagulants, antiplatelets or before surgery.

Try instead: Check with your clinician or pharmacist before using any herbal product.

²³

Medication interactions →

Unsupported claims

"Boosts circulation" or "unclogs arteries" supplements and gadgets

Not enough evidence

Why: We did not find trials or agency guidance showing a supplement or device that clears artery plaque. Health agencies describe PAD as a build-up of fatty deposits treated through lifestyle changes, exercise, medicines and sometimes procedures.

Who it applies to: Product labels, online ads and social media.

Try instead: Use the proven basics (movement, not smoking, treating blood pressure and cholesterol) and see a clinician about symptoms.

^1,11

"Leg pain when walking is just getting older"

High certainty

Why: The NHS says many people mistakenly think recurring leg pain on exercise is part of ageing, but there is no reason why an otherwise healthy person should have it.

Who it applies to: Older adults and their families.

Try instead: See a GP about recurring leg pain with exercise; PAD can be assessed and treated.

"Ginkgo is proven to improve blood flow in the legs"

Evidence against

Why: A Cochrane review of 14 trials found no evidence that ginkgo gives a clinically significant benefit in leg-artery disease; NCCIH says ginkgo has not been shown effective for any condition studied.

Who it applies to: Supplement marketing.

Try instead: If you have leg pain on walking, ask about supervised or structured walking programmes.

^28,23

Common mistakes

Warming cold hands or feet quickly on a radiator or under very hot water

Moderate certainty

Why: The NHS advises people with chilblains not to put hands or feet on a radiator or under hot water, and to warm skin slowly.

Who it applies to: People with cold fingers and toes.

Try instead: Warm up gradually with gloves, socks and a warm room.

⁷

Stopping exercise because walking hurts

High certainty

Why: Cochrane evidence (32 trials) shows exercise programmes improve walking distance in people with leg pain from PAD who are fit for exercise; the NHLBI says supervised or home-based walking programmes are often recommended by providers.

Who it applies to: People diagnosed with intermittent claudication.

Try instead: Ask your clinician about a supervised or structured home programme.

^9,11

Ignoring one-sided leg swelling, redness or pain

High certainty

Why: The NHS says these can be signs of DVT, which can send a clot to the lungs.

Who it applies to: Anyone, especially after surgery, long journeys, pregnancy or illness.

Try instead: Get urgent medical help the same day; call emergency services if you are also short of breath or have chest pain.

⁶

Stopping prescribed medicines for blood pressure, cholesterol or blood thinning because circulation "feels better"

High certainty

Why: The NHLBI says providers may prescribe antiplatelet medicines, statins and blood pressure medicines to prevent complications of PAD.

Who it applies to: Anyone prescribed these.

Try instead: Talk to your prescriber before any change.

¹¹

Evidence & safety

What the research shows

The strongest evidence is for movement and not smoking. A Cochrane review of 32 trials found exercise programmes improve walking distance in people with leg pain from PAD (high-quality evidence), and meta-analyses link exercise training with better measured blood vessel function. Interrupting sitting improves short-term blood flow measures in laboratory trials. For veins, compression stockings and specialist procedures are the mainstream options, and a few herbal extracts (horse chestnut, flavonoid phlebotonics) reduce leg swelling slightly in venous insufficiency in short trials. Ginkgo has not been shown to help leg-artery disease, and we found no good evidence for products that "boost" circulation or "unclog" arteries.

Limits of the evidence

Many circulation studies measure blood vessel function (such as flow-mediated dilation) rather than heart attacks, strokes or leg outcomes.
Sitting and step-count studies are partly observational and short; they show associations rather than proof.
Herbal trials are mostly short and small, with likely publication bias.
We read abstracts and agency pages, not full texts; some PubMed abstracts were not complete for every number.
The NHS Raynaud's page we read was last reviewed in July 2023 and was past its listed review date.

Precautions and interactions

Herbs and supplements for circulation (ginkgo and others) can interact with blood thinners and other medicines; check with a pharmacist.
Do not stop or change prescribed blood pressure, cholesterol, blood-thinning or heart medicines on your own.
Potassium-rich salt substitutes, licorice, fish oil, vitamin K, red yeast rice, niacin, plant sterols and coenzyme Q10 can each affect medicines or blood pressure or cholesterol; we have not rated them for circulation here, so see the blood pressure and cholesterol goals and ask a pharmacist.

Life-stage considerations

Pregnancy: varicose veins are more likely in pregnancy and often improve after birth; compression stockings may be used but procedures are not usually recommended; DVT in pregnancy is treated by a clinician (NHS). Ginkgo may be unsafe in pregnancy and little is known about horse chestnut extract (NCCIH).
Children: the NHS advises seeing a GP if a child under 12 has Raynaud's symptoms. We did not find guidance on circulation supplements for children.
Older adults: PAD and venous problems are more common with age but leg pain on walking is not normal ageing; check medicines and supplements with a pharmacist.
Medicines and chronic conditions: diabetes raises foot risks (NHS, NHLBI); people with heart disease should ask before changing exercise.

Warning signs

Chest pain or tightness, breathlessness, fainting, or blue grey skin: call emergency services.
Face droop, arm weakness, speech trouble, sudden severe headache or one-sided numbness: call emergency services.
Sudden loss of feeling or movement in a leg or foot, or a pale cold foot: call emergency services (NHLBI).
One swollen, red, painful leg: urgent medical help; DVT can travel to the lungs.
Sores that will not heal, blackened toes, or rest pain in the foot: see a doctor promptly.
Bleeding varicose veins: urgent help.

Claim checks

Ginkgo improves circulation and walking in leg-artery disease

Evidence against

A Cochrane review of 14 trials found no evidence of a clinically significant benefit; the walking gain was about 65 metres and not statistically significant. Results for Raynaud's were mixed.

^28,29,30

Horse chestnut extract helps venous leg symptoms

Moderate certainty

Cochrane concluded it appears efficacious and safe in the short term for chronic venous insufficiency but called for larger trials; it was studied in diagnosed CVI, not as a general circulation booster.

^24,25

Vein tablets (phlebotonics) cure varicose veins

Moderate certainty

Cochrane found only slightly less swelling, little or no change in quality of life and probably more side effects; they do not remove varicose veins.

²⁶

Exercise worsens leg pain from poor circulation, so rest is better

High certainty

Exercise programmes improved pain-free walking distance by about 82 metres in Cochrane pooled results and are recommended by the NHLBI as part of PAD care; do them with clinician guidance.

^9,11

Supplements can unclog arteries

Not enough evidence

We did not find trials or agency pages supporting this. PAD plaque is managed through risk-factor control, exercise, medicines and procedures.

^1,11

Sitting at a desk all day is harmless if you exercise afterwards

Moderate certainty

The NHS says you can meet your weekly activity target but still be at risk if you spend the rest of the time sitting or lying down; meta-analyses of blood vessel function support breaking up sitting.

^3,12,13

Questions people ask

What does "poor circulation" actually mean?

It is not a diagnosis. It is a common phrase for several different problems: narrowed leg arteries (PAD), leaky vein valves (varicose veins, venous insufficiency), or fingers and toes that narrow in the cold (Raynaud's). Because the causes differ, a clinician can tell which one applies.

Are cold hands and feet a sign of a circulation problem?

Often they are not serious, and the NHS says Raynaud's is common and does not usually cause severe problems. See a GP if symptoms are very bad, one-sided, new after age 30, or come with joint pain, rashes or muscle weakness.

Is leg pain when I walk just ageing?

The NHS says many people think so, but there is no reason why an otherwise healthy person should have it. Recurring leg pain with exercise that eases with rest should be checked, because it can be a sign of PAD.

Does sitting all day harm circulation?

Meta-analyses found that long uninterrupted sitting reduced blood vessel function in the legs in healthy adults, and that interrupting sitting improved blood flow measures. The NHS also says you can meet your activity target and still be at risk if you sit the rest of the time. Short, frequent breaks are sensible.

How much walking helps?

The NHS recommends 150 minutes of moderate activity per week and says even a brisk 10-minute daily walk has health benefits. A large cohort meta-analysis linked more steps with lower mortality up to roughly 6,000 to 8,000 steps a day in people 60 and over and 8,000 to 10,000 in younger adults, though that is an association.

Do compression stockings help?

For swollen or aching legs from vein problems they can help, and on long flights a Cochrane review found they reduced symptomless DVT and swelling. The NHS says they are not suitable if you have artery blood flow problems, so get fitted and checked first.

Do varicose veins need treatment?

The NHS says they do not always need treatment and are not usually serious, but see a GP for pain, itching, swelling, sores that do not heal in 2 weeks, or if they get worse. Bleeding varicose veins need urgent help.

Do supplements like ginkgo or horse chestnut work?

Ginkgo has not been shown to give a meaningful benefit in leg-artery disease. Standardized horse chestnut seed extract slightly eased leg symptoms of venous insufficiency in short trials. Neither replaces medical care, and both can have cautions with medicines.

Can stopping smoking really improve circulation?

The NHS says circulation improves within about 2 to 12 weeks after quitting, and the NHLBI says quitting can reduce PAD symptoms and the risk of complications.

How can I lower my risk of a blood clot on a long trip?

The NHS suggests loose clothing, plenty of water, avoiding alcohol and walking around when you can on journeys of 4 hours or more. A Cochrane review found compression stockings reduced symptomless DVT on flights of 4 hours or longer; ask a clinician if you are at higher risk.

When is leg swelling an emergency?

If one leg is swollen, painful and red or darkened, get urgent medical help; if you are also short of breath or have chest pain, call emergency services (NHS). Swelling in both legs that is persistent should also be checked, since heart, kidney or liver problems can cause it.

References

NHS. Peripheral arterial disease (PAD) (page last reviewed 10 April 2026). Read 2026-10-31. source
NHS. Varicose veins (page last reviewed 1 July 2024). Read 2026-10-31. source
NHS. Benefits of exercise (page last reviewed 15 August 2024). Read 2026-10-31. source
NHS. Raynaud's (page last reviewed 20 July 2023). Read 2026-10-31. source
NHLBI, NIH. Peripheral Artery Disease: What Is Peripheral Artery Disease? (last updated March 24, 2022). Read 2026-10-31. source
NHS. DVT (deep vein thrombosis). Read 2026-10-31. source
NHS. Chilblains (page last reviewed 22 April 2026). Read 2026-10-31. source
MedlinePlus. Edema. Read 2026-10-31. source
Lane R, et al. Exercise for intermittent claudication. Cochrane Database Syst Rev. 2017. PMID 29278423. source
NHS. Quit smoking: health benefits timeline. Read 2026-10-31. source
NHLBI, NIH. Peripheral Artery Disease: Treatment. Read 2026-10-31. source
Soto-Rodriguez FJ, et al. Impact of prolonged sitting interruption strategies on shear rate, flow-mediated dilation and blood flow in adults: a systematic review and meta-analysis of randomized cross-over trials. J Sports Sci. 2022. PMID 35731706. source
Taylor FC, et al. The Acute Effects of Prolonged Uninterrupted Sitting on Vascular Function: A Systematic Review and Meta-analysis. Med Sci Sports Exerc. 2022. PMID 34334722. source
NHS. Physical activity guidelines for adults aged 19 to 64. Read 2026-10-31. source
NHS. Walking for health. Read 2026-10-31. source
Early KS, et al. The Effects of Exercise Training on Brachial Artery Flow-Mediated Dilation: A Meta-analysis. J Cardiopulm Rehabil Prev. 2017. PMID 28033167. source
Paluch AE, et al. Daily steps and all-cause mortality: a meta-analysis of 15 international cohorts. Lancet Public Health. 2022. PMID 35247352. source
Dahm KT, et al. Effects of preventive use of compression stockings for elderly with chronic venous insufficiency and swollen legs: a systematic review and meta-analysis. BMC Geriatr. 2019. PMID 30845919. source
Clarke MJ, et al. Compression stockings for preventing deep vein thrombosis in airline passengers. Cochrane Database Syst Rev. 2021. PMID 33878207. source
Daniels J, et al. Behaviour change interventions for the management of Raynaud's phenomenon: a systematic literature review. BMJ Open. 2018. PMID 30552281. source
Wan D, et al. Diet and Nutrition in Peripheral Artery Disease: A Systematic Review. Can J Cardiol. 2022. PMID 35307328. source
de Moraes Silva MA, et al. Balneotherapy for chronic venous insufficiency. Cochrane Database Syst Rev. 2023. PMID 36622745. source
NCCIH. Ginkgo: Usefulness and Safety. Read 2026-10-31. source
Pittler MH, Ernst E. Horse chestnut seed extract for chronic venous insufficiency. Cochrane Database Syst Rev. 2012. PMID 23152216. source
NCCIH. Horse Chestnut: Usefulness and Safety. Read 2026-10-31. source
Martinez-Zapata MJ, et al. Phlebotonics for venous insufficiency. Cochrane Database Syst Rev. 2020. PMID 33141449. source
Gulati OP. Pycnogenol in chronic venous insufficiency and related venous disorders. Phytother Res. 2014 (narrative review; abstract only read). PMID 23775628. source
Nicolai SP, et al. Ginkgo biloba for intermittent claudication. Cochrane Database Syst Rev. 2013. PMID 23744597. source
Muir AH, et al. The use of Ginkgo biloba in Raynaud's disease: a double-blind placebo-controlled trial. Vasc Med. 2002. PMID 12710841. source
Bredie SJ, et al. No significant effect of ginkgo biloba special extract EGb 761 in the treatment of primary Raynaud phenomenon: a randomized controlled trial. J Cardiovasc Pharmacol. 2012. PMID 22030896. source

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Ingredients, foods and supplements

Horse chestnut → Ginkgo → Grape seed extract → Butcher's broom → Beets →

Research, safety and claim-check resources

Medication interactions → Talking with a health professional → Hydrotherapy → Yoga → Breathing exercises for stress → Medicines, supplement burden and older adults →