Healthy Aging
Stay Well Nourished as You Age
As we get older we often need fewer calories but just as many nutrients, and some, such as protein, vitamin B12 and fluids, need extra attention. This page is about everyday eating and drinking for older adults; appetite changes, unplanned weight loss, mouth care and medicines each have their own pages.
General information, not medical advice. Last updated November 1, 2026. Written by the AlternativeMed editorial team. Not medically reviewed.
Start here
- Include a protein food (fish, eggs, beans, lentils, dairy or fortified soy, poultry or lean meat) at every meal, and spread drinks through the day instead of waiting until you feel thirsty.
- Ask your doctor or pharmacist whether your vitamin B12 and vitamin D need checking, especially if you are over 50, rarely go outdoors, eat little animal food or take regular medicines.
- If you are losing weight without trying, eating much less than usual, or finding it hard to chew, swallow or shop and cook, tell a doctor, nurse or dietitian rather than waiting.
Be careful with
- Weight loss is not an inevitable part of getting older (NHS). Losing weight without trying needs a medical check.
- Do not stop or change any prescribed medicine because of a diet change or supplement, and check supplements with a pharmacist: some interact with medicines, and vitamin D above the upper limit can cause too much calcium in the blood.
- If you have kidney disease, diabetes, swallowing problems or are on a special diet, ask your clinician before raising protein or changing what you eat or drink.
Get help when
- Unplanned weight loss: the NHS lists losing 5% to 10% or more of your weight over 3 to 6 months as one of the main signs of malnutrition, and says to see a GP if you have unintentionally lost a lot of weight.
- Losing interest in eating and drinking, feeling weak or tired all the time, getting ill often, or taking a long time to recover.
- Signs of dehydration that do not settle: feeling dizzy when you stand, dark yellow urine or passing less, unusual tiredness. The NHS advises an urgent GP appointment or NHS 111 for these, and emergency help (999) if dehydration comes with confusion, blue, grey or pale skin, cold skin, fast breathing or unusual sleepiness.
- Pins and needles, a sore red tongue, memory or balance problems, or extreme tiredness, which can be signs of low vitamin B12 or folate; the NHS says this should be diagnosed and treated early because some nerve damage can be permanent.
- Coughing or choking when eating or drinking, or pain or trouble chewing or swallowing.
About Stay Well Nourished as You Age
What this goal means
Staying well nourished means getting enough energy, protein, vitamins, minerals and fluid to keep your muscles, bones, immune system and mind working as well as they can. It is not about a perfect diet; it is about eating regularly, choosing nutrient-rich foods and noticing early if intake drops.
MedlinePlus explains that older adults may need fewer calories but still need to get enough nutrients, and that some need more protein. The 2020-2025 Dietary Guidelines for Americans say protein and vitamin B12 are more likely to be underconsumed in later life, and that fluids deserve special attention.
1,2What it can feel like
Common experiences are smaller appetite, food tasting different, meals feeling like a chore when cooking for one, tiredness, feeling weaker, or getting thinner without meaning to. Often nothing feels wrong until a loss of strength or an illness shows up.
Thirst can fade with age, so dehydration may creep in without feeling thirsty.
1,2,3What can make it harder
MedlinePlus lists changes in home life (such as suddenly living alone or having trouble getting around), health that makes it harder to cook or feed yourself, medicines that change taste, dry the mouth or reduce appetite, less income, changes in smell and taste, and problems chewing or swallowing.
The NHS adds long-term conditions that affect appetite or absorption, swallowing problems, social isolation, limited mobility and low income as common reasons for malnutrition, and says people aged 65 and over are particularly at risk. Vitamin B12 absorption can decline with age and with some medicines, according to the Dietary Guidelines.
1,3,2Conditions and situations to know about
Low vitamin B12 or folate affects around 1 in 10 people aged 75 or over and 1 in 20 people aged 65 to 74, says the NHS. Dehydration is more likely in older adults, especially with diuretic medicines, illness, hot weather or when you rely on others for drinks. Malnutrition, frailty, dental problems, swallowing difficulties and depression or loneliness can each lead to eating less. Each of these is a medical question, not something to self-diagnose.
4,5,3Realistic expectations
Good nutrition supports strength, recovery and independence, but it does not stop ageing or guarantee against illness. Large reviews of eating patterns show associations rather than proof: in a review of 19 studies, people who most closely followed a Mediterranean-style diet had a lower risk of frailty (cohort studies pooled risk ratio 0.66), but these studies cannot show cause and effect.
Supplements fill gaps; they do not replace meals. A review of trials of oral nutritional supplements in malnourished older people found no clear benefit on weight, strength or quality of life, with very low quality evidence, so food, company and treating the cause matter most.
6,7Who this applies to
Adults roughly 60 and over, and anyone caring for them. If you are mainly worried about a poor appetite, see Manage Appetite Changes With Age; for weight loss you did not plan, see Recognize & Address Unintended Weight Loss; for chewing and mouth problems, see Care for Your Teeth & Mouth as You Age. Needs differ with kidney disease, diabetes, swallowing problems and other conditions, so personal advice from a clinician or dietitian comes first.
2Related conditions and symptoms
Frailty → Vitamin B12 deficiency and tiredness → Anaemia and iron deficiency → Unintentional weight loss → Osteoporosis and bone health →
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
- Add a protein food to every meal for a week and note which are easiest for you.
- Set drink times (for example with each meal plus mid-morning and mid-afternoon) and keep a glass or bottle within reach.
- Weigh yourself about once a month and write it down; report unplanned loss.
- Book a check to talk about vitamin B12, vitamin D and your medicines if you have not had one.
Optional additions
- Share a meal with someone once or twice a week.
- Keep easy fortified or protein snacks such as yoghurt, cheese, nuts or boiled eggs.
- Ask a pharmacist for a review of supplements you already take.
- Ask a dentist to check chewing comfort.
What to track
- Weight once a month.
- How many meals you eat a day and whether each had a protein food.
- Fluids across the day.
- Energy, strength, and any change in taste, mouth comfort or swallowing.
When to reassess
Review after about 4 weeks. If your weight is dropping, you are eating less, or you feel weaker, see a doctor rather than just trying new foods.
When to seek professional support
- Ask your GP or nurse about a nutrition check and a dietitian referral.
- Ask your pharmacist about supplements and medicine side effects on appetite or taste.
- Ask local older-adult services about community or delivered meals.
- Involve a family member or carer in shopping and cooking plans.
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
A protein food at every meal
Moderate certaintyAddresses: Helps keep muscle, strength and recovery
Why it may help: The Dietary Guidelines say eating enough protein helps prevent the loss of lean muscle that happens naturally with age, and that about 50 percent of women and 30 percent of men aged 71 and older fall short of protein foods recommendations. The PROT-AGE expert position paper recommends older people (over 65) eat on average at least 1.0 to 1.2 g of protein per kg of body weight a day, more (1.2 to 1.5 g/kg) for those with acute or chronic illness, and at least 1.2 g/kg for those who are exercising.
How to apply it: Add a palm-sized portion of fish, eggs, poultry, beans, lentils, tofu, yoghurt or cheese to each meal and snack. Mix sources: the Dietary Guidelines suggest seafood, beans, peas, lentils and dairy or fortified soy are often under-eaten.
Who it may suit: Most older adults, particularly those eating little, recovering from illness or being active.
Precautions: The PROT-AGE paper is an expert position paper, not a trial, and says older people with severe kidney disease who are not on dialysis may need to limit protein. People with kidney disease should follow their clinician's advice.
2,8Strength training and protein for older adults → Maintain the muscle you have → Lentils →
Drink regularly through the day
Moderate certaintyAddresses: Helps prevent dehydration
Why it may help: The Dietary Guidelines note that many older adults do not drink enough, that thirst tends to decline with age, and that bladder-control worries or mobility problems can reduce drinking. The NHS Eatwell Guide gives 6 to 8 cups or glasses a day as a guide for adults. A review of 61 studies (22,398 non-hospitalised people aged 65 and over) estimated about 24% were dehydrated by blood-concentration tests, with a wide uncertainty range.
How to apply it: Keep a drink within reach and have one with every meal and at set times (for example mid-morning and mid-afternoon). Water, tea, coffee, milk, soups, fruit and vegetables all contribute. Fluid-rich foods count.
Who it may suit: All older adults, especially those who drink little, have mobility limits or rely on others for drinks.
Precautions: People with heart or kidney conditions who have been given a fluid limit should follow their clinician's advice. Medicines that make you pass more urine (diuretics) raise the risk of dehydration.
2,9,10,5Make sure you get enough vitamin B12
Moderate certaintyAddresses: Prevents a common, treatable deficiency
Why it may help: The Dietary Guidelines say the ability to absorb vitamin B12 can decrease with age and some medicines can lower absorption; older adults are encouraged to eat protein foods (a common source) and foods fortified with B12, such as breakfast cereals, and some may need a supplement. The NHS says B12 or folate deficiency affects around 1 in 10 people aged 75 or over and lists meat, fish, eggs, dairy and fortified foods as sources.
How to apply it: Include fish, eggs, dairy or fortified foods daily. If you eat few animal foods (for example a vegan diet), or take acid-reducing or certain other medicines long term, ask your doctor or pharmacist about a blood test and whether a supplement is appropriate.
Who it may suit: Adults over 50, people eating little or no animal food, and people on long-term medicines that affect absorption.
Precautions: Do not guess: B12 deficiency has a medical cause in some people (for example pernicious anaemia) and needs proper diagnosis and treatment. A supplement can hide the need for a check.
2,4Check your vitamin D, especially in winter or if you are indoors a lot
Moderate certaintyAddresses: Supports bones and muscles
Why it may help: The NHS says everyone should consider a daily supplement containing 10 micrograms (400 IU) of vitamin D in autumn and winter, and recommends it all year for people who are not often outdoors (for example if frail or housebound), live in a care home, usually cover most of their skin outdoors, or have dark skin. Food alone makes it hard to get enough.
How to apply it: Eat oily fish, eggs and fortified foods; get safe daily outdoor time in spring and summer; and talk to your pharmacist or doctor about whether a supplement fits you.
Who it may suit: Older adults who are indoors much of the time, live in care homes or have dark skin.
Precautions: The NHS says not to take more than 100 micrograms (4,000 IU) a day because too much can cause too much calcium in the blood, which can weaken bones and damage kidneys and heart. If your doctor advised a different amount, follow it.
11,2Eat in a varied, Mediterranean-style pattern
Moderate certaintyAddresses: May be linked to lower frailty risk
Why it may help: In a review of 19 studies (12 cohort studies of 89,608 people), the highest versus lowest adherence to a Mediterranean-style diet was linked to a lower risk of frailty (RR 0.66, 95% CI 0.55 to 0.78) and of pre-frailty. The certainty was rated high for the association, but these were observational studies, so they cannot prove the diet itself is the cause.
How to apply it: Build meals around vegetables, fruit, whole grains, beans, nuts, olive oil and fish, with less processed food. The NHS Eatwell Guide and MedlinePlus describe similar balanced choices.
Who it may suit: Most older adults who can eat a normal diet.
Precautions: Do not use a restrictive version of any diet if you are losing weight or eating little; ESPEN advises that dietary restrictions should generally be avoided in older people.
6,12,9,1Additional options
Share meals with other people
Low certaintyAddresses: May help you eat more and enjoy food
Why it may help: The Dietary Guidelines say sharing meals with friends and family can increase food enjoyment and promote adequate intake in older adults, and describe congregate meals (for example in senior centers) that offer healthy meals and social contact. MedlinePlus suggests potlucks, cooking with a friend, or meals at a community center if you are tired of eating alone.
How to apply it: Invite a neighbour for lunch, share cooking, or look up local community meal programs.
Who it may suit: Anyone who eats alone or has lost interest in cooking.
Precautions: None specific. Check food safety and any dietary needs when sharing food.
2,1Eat little and often when appetite is small
Low certaintyAddresses: Boosts calories and protein without big meals
Why it may help: The NHS says first dietary advice for malnutrition is usually to eat fortified foods that are high in calories and protein, snack between meals and have calorie-rich drinks. A review of 10 small studies in older hospital patients found that fortified meals and snacks increased energy and protein intake; this was in hospitals and rehabilitation centres, not at home.
How to apply it: Add milk powder, cheese, nut butter, olive oil or eggs to usual foods, and keep easy snacks such as yoghurt, nuts, cheese and fruit within reach.
Who it may suit: People who eat less than usual or tire quickly at meals.
Precautions: If you are losing weight, do not rely on this alone; see a doctor to find the cause. People with diabetes or heart or kidney conditions should ask a clinician before adding extra fat, sugar or salt.
3,13,1Choose calcium-rich foods
Moderate certaintyAddresses: Supports bone health
Why it may help: The NHS Eatwell Guide describes milk, cheese, yoghurt and alternatives as important sources of calcium, which helps keep bones healthy, and MedlinePlus suggests low-fat milk and cheese or soy and rice drinks with added vitamin D and calcium. The Dietary Guidelines list dairy and seafood eaten with bones as sources.
How to apply it: Include two or three servings of dairy or fortified alternatives each day if you tolerate them.
Who it may suit: Most older adults, especially those with bone-health concerns.
Precautions: People with lactose intolerance, milk allergy or kidney stones should ask a clinician or dietitian.
9,1,2Make food easier to chew and enjoy
Low certaintyAddresses: Keeps meals comfortable and varied
Why it may help: The Dietary Guidelines suggest experimenting with food preparation and textures for people who have difficulty chewing or swallowing, and note good dental health is critical to chewing foods properly. MedlinePlus advises seeing a dentist for chewing problems and a health care provider if swallowing does not improve with drinks at meals, because a condition or a medicine could be the cause.
How to apply it: Try softer cooking methods, moist sauces and well-cooked vegetables, and see a dentist or clinician about persistent problems.
Who it may suit: People with chewing or swallowing difficulties or dental problems.
Precautions: Coughing or choking with food or drink needs medical assessment before changing textures on your own.
2,1Fibre and fluids together
Low certaintyAddresses: Supports regular bowel habits
Why it may help: The NHS Eatwell Guide recommends higher-fibre or wholegrain choices, pulses and plenty of fluids. MedlinePlus lists whole grains, fruit, vegetables, beans, nuts and seeds among nutrient-dense choices.
How to apply it: Raise fibre gradually and drink more with it.
Who it may suit: Older adults with sluggish bowels.
Precautions: Increase fibre slowly to limit bloating; persistent bowel changes need a doctor.
9,1Still being studied
Oral nutritional supplement drinks
Mixed findingsAddresses: Mixed results
Why it may help: A review of 18 primary studies from 17 systematic reviews in malnourished older people found no clear benefit of oral nutritional supplements versus usual care on body weight (6 studies), BMI, strength, daily activities, quality of life or mortality, with very low quality evidence. ESPEN, in contrast, lists oral nutritional supplements among the ways oral nutrition can be supported.
How to apply it: Use only when a doctor, nurse or dietitian recommends them for you. The Dietary Guidelines say beverage supplements should not replace regular food unless a health professional instructs this.
Who it may suit: Older adults who are malnourished or at risk, under professional guidance.
Precautions: They can contain added sugars and replace meals; follow health-professional advice, especially with diabetes.
7,12,2Daily multivitamin-mineral
Low certaintyAddresses: Small possible cognitive benefit, not a replacement for food
Why it may help: In COSMOS, a trial in adults aged 60 and over, a daily multivitamin-mineral was linked to modest benefits in global cognition and memory over 2 years in a combined analysis of 3 sub-studies (mean difference 0.07 standard-deviation units). The authors say evidence is still insufficient to recommend it for preventing cognitive decline.
How to apply it: Ask a pharmacist before starting one, and tell your clinician about every supplement you take.
Who it may suit: Older adults who want to cover small gaps and have no interaction concerns.
Precautions: Check iron, vitamin A, vitamin K and calcium content against your medicines and conditions; avoid doubling up with separate supplements.
14,2Fortified foods and snacks in hospital
Low certaintyAddresses: Raised intake in short studies
Why it may help: A systematic review of 10 studies (546 patients) in hospitals and rehabilitation centres found that energy- or protein-fortified meals and snacks increased daily energy and protein intake compared with usual care. Effects on function were not shown.
How to apply it: At home, fortification can be as simple as adding milk powder or cheese to meals; talk to a dietitian if you need a plan.
Who it may suit: Older people eating too little, under care.
Precautions: Studies were small and short and were done in hospitals, not at home.
13Food & nutrition
Protein foods
The Dietary Guidelines say most older adults meet recommendations for meats, poultry and eggs, but seafood, dairy and fortified soy alternatives, and beans, peas and lentils are under-eaten even though they supply useful calcium, vitamins D and B12 and fibre. A wider variety of protein sources helps cover needs.
Beans, peas and lentils
Moderate certaintyAddresses: Protein and fibre
Why it may help: The Dietary Guidelines note the beans, peas and lentils subgroup provides dietary fibre and is under-consumed by older adults; the NHS describes pulses as a good source of protein and fibre that is low in fat.
How to apply it: Add lentils or beans to soups, stews and rice dishes.
Who it may suit: Most older adults.
Precautions: Introduce gradually if beans cause gas; softer cooking helps with chewing.
2,9Fish and seafood
Moderate certaintyAddresses: Protein, B12, vitamin D
Why it may help: The Dietary Guidelines say many seafood choices provide vitamins D and B12 and calcium (when eaten with bones); the NHS lists oily fish as a vitamin D source.
How to apply it: Include fish a couple of times a week; canned fish eaten with soft bones also supplies calcium.
Who it may suit: Older adults who eat fish.
Precautions: Canned and smoked fish can be high in salt. Check pregnancy-specific guidance separately if relevant.
2,11,9Eggs, dairy and fortified soy
Moderate certaintyAddresses: Protein, calcium, B12
Why it may help: Eggs and dairy are named protein and B12 sources by the NHS and Dietary Guidelines; fortified soy drinks are named as an alternative.
How to apply it: Egg dishes, yoghurt, milk puddings and soft cheeses are easy to eat.
Who it may suit: Those who tolerate dairy and eggs.
Precautions: Milk allergy or lactose intolerance: choose fortified alternatives.
2,4,1Foods that carry vitamin B12 and vitamin D
Vitamin B12 is found in meat, fish, eggs, dairy and fortified foods such as some breakfast cereals; vitamin D is found in oily fish, red meat, egg yolks and fortified foods, though the NHS says it is hard to get enough from food alone in autumn and winter.
4,11,2Fluids
The NHS Eatwell Guide gives 6 to 8 cups or glasses a day as a guide. The Dietary Guidelines suggest water plus unsweetened options such as 100% juice, low-fat milk or fortified soy drink, and note that fruit, vegetables and soup contribute water.
9,2Fruit, vegetables and whole grains
MedlinePlus recommends nutrient-rich choices such as brightly coloured fruit and vegetables, whole grains, seafood, lean meat, eggs, beans, nuts and seeds, and advises cutting back on empty calories like chips, sweets, baked goods and soda. These choices fit the Mediterranean-style patterns linked with lower frailty risk in observational research.
1,6Food safety
The Dietary Guidelines point out that immune function declines with age, which raises the risk of foodborne illness, so safe food handling matters more. Check use-by dates, keep the fridge cold and reheat leftovers thoroughly.
2Remedies & supplements
Traditional use, laboratory findings and human trials are kept apart. "Natural" does not mean safe.
Vitamin B12 supplements
Low certaintyStudied form and route: Oral tablets or, in medical treatment, injections
Intended outcome: Correcting low B12
Human evidence: A Cochrane review of 3 trials (153 people) found low-quality evidence that oral and injected B12 had similar effects on raising blood B12 levels in people with deficiency, and that oral treatment cost less; the trials were small and did not report symptoms. The NHS says most B12 deficiency can be treated with injections or tablets.
Limits: Evidence is limited and short term (3 to 4 months). Supplements correct a deficiency but a cause such as pernicious anaemia needs medical follow-up.
Interactions and precautions: Ask a doctor for a blood test and treatment plan; do not self-treat tingling or memory problems. Check with a pharmacist if you take other medicines.
15,4,2Vitamin D, with or without calcium
Moderate certaintyStudied form and route: Daily supplement
Intended outcome: Fracture prevention and vitamin D status
Human evidence: A Cochrane review of 53 trials (91,791 older participants) found high-quality evidence that vitamin D alone is unlikely to prevent hip fracture (RR 1.12, 0.98 to 1.29), while vitamin D plus calcium gave a small reduction in hip fracture (RR 0.84, 0.74 to 0.96) and any fracture (RR 0.95). The benefit was mainly seen in higher-risk people such as institution residents. Mild high blood calcium was more common with vitamin D.
Limits: The review dates from 2014 and covers formats and doses tested. The NHS (not the review) is the source for the 10 microgram daily suggestion.
Interactions and precautions: Do not exceed 100 micrograms (4,000 IU) a day, per the NHS; calcium supplements can cause constipation and may not suit people with kidney stones or kidney disease. Ask your clinician.
16,11Protein powders and nutrition shakes
Not enough evidenceStudied form and route: Powders and ready-made drinks
Intended outcome: Adding protein and calories when eating is hard
Human evidence: The PROT-AGE paper does not rank specific products; it says quality and timing may matter but evidence is not yet enough for specific recommendations. A review in malnourished older people found no clear benefit of oral nutritional supplements on weight, strength or quality of life (very low quality evidence).
Limits: No trial read here shows they are better than food. Products vary in sugar and added nutrients.
Interactions and precautions: Do not use instead of meals unless a professional advises it; check with a clinician if you have kidney disease or diabetes.
8,7,2Daily multivitamin-mineral
Low certaintyStudied form and route: Over-the-counter tablet
Intended outcome: Covering small gaps
Human evidence: In the COSMOS trial (21,442 US adults aged 60 and over), a multivitamin was linked to small cognitive benefits in sub-studies, but the authors state there is insufficient evidence to recommend it for preventing cognitive decline.
Limits: Not a replacement for food; benefits for strength, bones or mortality were not covered by the sources read.
Interactions and precautions: Check content against your medicines and conditions; avoid duplicating separate supplements.
14,2Therapies & care
Established professional care for nutrition in older age starts with a check of weight, appetite, mouth, swallowing, medicines and mood. ESPEN recommends that all older people are routinely screened for malnutrition. This page does not recommend medicines or doses, and you should never stop a prescribed medicine on your own.
Nutrition screening and dietitian advice
Moderate certaintyClinical assessment A GP or nurse can measure weight and height and ask about appetite and health, and may refer you to a dietitian. ESPEN recommends routine screening of all older people and nutritional counselling among its supports. A review of non-drug trials in malnourished older people found counselling results inconsistent.
Who it may suit: Anyone losing weight, eating little or with a long-term condition.
Precautions: Ask for a personalised plan if you have diabetes, kidney disease or swallowing problems.
12,3,7Oral and dental care
Low certaintyProfessional care The Dietary Guidelines say good dental health is critical to chewing foods properly, and MedlinePlus advises seeing a dentist for chewing problems.
Who it may suit: People with sore gums, loose teeth or dentures that do not fit.
Precautions: See a dentist promptly for pain or sores that do not heal.
2,1Swallowing assessment
Low certaintyClinical assessment MedlinePlus advises checking with a health care provider if swallowing does not improve with drinks at meals, because a condition or medicine could be the cause. A provider can arrange specialist assessment.
Who it may suit: People who cough, choke or feel food stick.
Precautions: Do not change food textures for choking symptoms without advice.
1Occupational therapy and community meal support
Low certaintyPractical support MedlinePlus says an occupational therapist can help find ways to make cooking and feeding easier when illness limits you, and the Dietary Guidelines describe congregate meals, SNAP and other government resources.
Who it may suit: People with limited mobility, grip or money for food.
Precautions: Programmes vary by country and area; ask your local older-adult services.
1,2Maintain your everyday independence → Make Your Home Safer & Easier to Use →
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
Skipping meals or fluids on busy or low-energy days
Moderate certaintyWhy: Intake can drop quickly; the NHS counts a lack of interest in eating and drinking as a sign of malnutrition, and older adults are more at risk of dehydration.
Who it applies to: Anyone living alone, recovering from illness or with low energy.
Try instead: Keep simple, ready foods and drinks on hand and ask for help with shopping or cooking.
3,5Waiting until you feel thirsty to drink
Moderate certaintyWhy: Thirst declines with age, and a Cochrane review of 67 simple tests found only three showed any ability to identify water-loss dehydration, so symptoms and quick checks are not a reliable guide.
Who it applies to: Older adults, particularly with mobility or bladder worries.
Try instead: Drink on a regular schedule through the day.
2,17Drinking alcohol freely
Moderate certaintyWhy: The Dietary Guidelines say older adults feel alcohol's effects more quickly, with higher risk of falls and injury, and some should avoid it completely (for example with certain medicines or conditions). Alcohol is also listed by MedlinePlus among empty calories.
Who it applies to: Anyone, particularly those on medicines or at risk of falls.
Try instead: If you drink, keep it within limits and ask your clinician whether it suits your medicines and conditions.
2,1Personal triggers to check
Medicines that change taste, dry the mouth or reduce appetite
Moderate certaintyWhy: MedlinePlus says medicines can change how food tastes, make the mouth dry or take away appetite.
Who it applies to: People on several medicines.
Try instead: Tell your prescriber or pharmacist rather than stopping the medicine; they can review options.
1Living alone, loneliness and low income
Moderate certaintyWhy: The NHS lists social isolation, limited mobility and low income among risks for malnutrition; MedlinePlus lists suddenly living alone and money for food as barriers.
Who it applies to: Older adults who live alone or have limited means.
Try instead: Ask about community meals, delivered meals and food assistance programmes; see a social worker or local older-adult services.
3,1,2Dental, chewing or swallowing problems
Moderate certaintyWhy: Painful teeth, ill-fitting dentures or swallowing difficulty can make people avoid proteins and fibre-rich foods.
Who it applies to: Anyone with mouth or swallowing symptoms.
Try instead: See a dentist or clinician; try softer textures meanwhile.
1,2Products that need caution
Taking more vitamin D than the upper limit
High certaintyWhy: The NHS says more than 100 micrograms (4,000 IU) a day can build up calcium in the blood, which can weaken bones and damage the kidneys and heart.
Who it applies to: Anyone using vitamin D supplements, including from several products.
Try instead: Add up all sources and follow the amount your doctor or pharmacist advises.
11Using shakes or drinks instead of meals without advice
Moderate certaintyWhy: The Dietary Guidelines say beverage supplements should not replace regular food intake unless a health professional instructs it, and they may add sugars.
Who it applies to: People with poor appetite.
Try instead: Use them only as advised and keep eating real food.
2Protein powders when you have kidney disease
Moderate certaintyWhy: The PROT-AGE paper notes that older people with severe kidney disease not on dialysis may need to limit protein.
Who it applies to: People with kidney conditions.
Try instead: Ask your kidney clinician or dietitian before raising protein.
8Unsupported claims
Supplements that promise to reverse ageing
Evidence againstWhy: This site found no trial in the sources read here showing that a nutrition product reverses ageing; the claim is not supported by what was read.
Who it applies to: Anyone tempted by anti-ageing marketing.
Try instead: Put money into varied meals, protein, fluids and the checks your clinician recommends.
2Understand Longevity Research & Claims → Supplements for healthy aging →
"Detox" or very low-calorie plans to feel younger
Evidence againstWhy: ESPEN advises that dietary restrictions should generally be avoided in older people and that weight-reducing diets should be considered only for obese older people with weight-related health problems, combined with exercise.
Who it applies to: Older adults considering crash or fad diets.
Try instead: Speak to a doctor or dietitian before cutting back on food.
12Common mistakes
Assuming weight loss is just part of ageing
High certaintyWhy: The NHS says weight loss is not an inevitable result of old age and advises seeing a GP for unintended loss. It lists 5% to 10% or more over 3 to 6 months as a main sign of malnutrition.
Who it applies to: Older adults and carers.
Try instead: Weigh yourself regularly and report unplanned loss.
3,18Recognize & Address Unintended Weight Loss → Unintentional weight loss →
Treating tiredness as only age without a check
Moderate certaintyWhy: The NHS lists extreme tiredness, pins and needles and memory problems among symptoms of B12 or folate deficiency; it is treatable and early diagnosis matters.
Who it applies to: Older adults with new tiredness or tingling.
Try instead: Ask for a blood test rather than guessing at supplements.
4Stopping a medicine because of a diet or supplement change
High certaintyWhy: Nothing read here supports changing prescribed medicines for nutrition reasons, and some foods and supplements interact with them.
Who it applies to: Anyone on prescribed medicines.
Try instead: Raise it with your prescriber or pharmacist.
2Evidence & safety
What the research shows
Health agencies agree that older adults should keep eating a varied, nutrient-rich diet with enough protein and fluid, watch vitamin B12 and vitamin D, and take unplanned weight loss seriously. The PROT-AGE position paper sets higher protein targets than for younger adults, observational reviews link Mediterranean-style eating with less frailty, and a large Cochrane review finds vitamin D plus calcium (not vitamin D alone) gave a small reduction in hip fracture. Evidence for nutrition drinks and multivitamins is weaker and mixed.
Limits of the evidence
- Many diet studies are observational and cannot prove cause and effect.
- Trials of oral nutritional supplements in malnourished older people were small and rated very low quality.
- Protein targets come from an expert position paper and the Dietary Guidelines, not from a single definitive trial.
- The vitamin D review dates from 2014 and the dehydration prevalence estimate has wide uncertainty ranges.
- Several NHS pages were last reviewed some time ago (for example the vitamin D page in 2020); check current national advice.
Precautions and interactions
- Ask a pharmacist before adding supplements to prescribed medicines.
- Do not stop prescribed medicines on your own.
- Do not exceed the NHS upper limit for vitamin D (100 micrograms, 4,000 IU a day).
- Kidney disease, diabetes, swallowing problems and fluid limits need personal advice.
Life-stage considerations
- Older adults (around 60 and over): the focus of this page.
- Care homes and housebound people: the NHS advises a year-round vitamin D supplement for people not often outdoors, in a care home or frail.
- Pregnancy and breastfeeding, children: not covered here; see the relevant pages and ask a clinician.
- Adults aged 65 and over are particularly at risk of malnutrition, according to the NHS.
Warning signs
- Unplanned weight loss of 5% to 10% or more over 3 to 6 months.
- Little interest in eating or drinking, constant tiredness or weakness.
- Signs of dehydration with confusion, cold or pale skin, or fast breathing: emergency care.
- Pins and needles, sore red tongue, memory or vision problems: see a GP for a B12/folate check.
- Coughing or choking when eating or drinking.
Claim checks
Weight loss is a normal part of getting older
against
3,18You only need to drink when you are thirsty
against
2,17Vitamin D supplements alone prevent fractures in older people
low
16Nutrition shakes fix undernutrition
mixed
7,12A multivitamin prevents memory loss
insufficient
14Questions people ask
How much protein do older adults need?
The PROT-AGE expert position paper recommends that people over 65 eat on average at least 1.0 to 1.2 g of protein per kilogram of body weight a day, more if they are exercising (at least 1.2 g/kg) or ill (1.2 to 1.5 g/kg). People with severe kidney disease not on dialysis may need to limit protein, so ask your clinician.
Why is vitamin B12 a concern as I age?
The Dietary Guidelines say the ability to absorb vitamin B12 can decrease with age and some medicines can lower absorption. The NHS says B12 or folate deficiency affects around 1 in 10 people aged 75 or over. A blood test can check it.
Should I take a vitamin D supplement?
The NHS says everyone should consider a daily 10 microgram supplement in autumn and winter, and all year if you are not often outdoors, live in a care home or have dark skin. Do not take more than 100 micrograms (4,000 IU) a day. Ask a pharmacist or doctor about your situation.
How much should I drink?
The NHS Eatwell Guide gives 6 to 8 cups or glasses a day as a guide. Tea, coffee, milk, juice, soup and watery fruit and vegetables count. If a clinician has set a fluid limit for a heart or kidney condition, follow that.
Why do I not feel thirsty any more?
The Dietary Guidelines say the sensation of thirst tends to decline with age, which is why regular drinking times help.
Is losing weight normal as I get older?
No. The NHS says weight loss is not an inevitable result of old age. Losing 5% to 10% or more of your weight over 3 to 6 months is one of the main signs of malnutrition, so see a GP.
Do nutrition drinks work?
A review of trials found no clear benefit of oral nutritional supplements on weight or strength in malnourished older people, though quality was very low. The Dietary Guidelines advise not replacing regular food with them unless a professional says so.
Is a Mediterranean-style diet good for older adults?
Observational studies link closer adherence with a lower risk of frailty (pooled risk ratio 0.66 in cohort studies), but they cannot prove cause and effect. Do not use a restrictive diet if you are losing weight.
What can I do if I find cooking and shopping hard?
MedlinePlus suggests an occupational therapist can help make cooking easier, and the Dietary Guidelines describe community meals and food assistance programmes. Ask your doctor or local older-adult services.
Should I take a multivitamin?
Evidence is limited. COSMOS found small cognitive benefits in sub-studies, but the authors say evidence is insufficient to recommend a multivitamin for preventing cognitive decline. Ask a pharmacist, especially if you take medicines.
When should I see a doctor about my eating?
See a doctor if you are losing weight unintentionally, have lost interest in eating or drinking, feel constantly tired or weak, have trouble chewing or swallowing, or have symptoms such as pins and needles or memory problems.
References
- MedlinePlus. Nutrition for Older Adults. Read 2026-11-01. source
- U.S. Department of Agriculture and U.S. Department of Health and Human Services. Dietary Guidelines for Americans, 2020-2025, Chapter 6: Older Adults. Read 2026-11-01. source
- NHS. Malnutrition (page last reviewed 23 May 2023). Read 2026-11-01. source
- NHS. Vitamin B12 or folate deficiency anaemia (page last reviewed 20 February 2023). Read 2026-11-01. source
- NHS. Dehydration. Read 2026-11-01. source
- Poursalehi D, et al. Adherence to the Mediterranean diet and risk of frailty and pre-frailty in elderly adults: a systematic review and dose-response meta-analysis with GRADE assessment. Ageing Res Rev. 2023. PMID 36871780. source
- Correa-Perez A, et al. Efficacy of non-pharmacological interventions to treat malnutrition in older persons: a systematic review and meta-analysis. The SENATOR project ONTOP. Ageing Res Rev. 2019. PMID 30391755. source
- Bauer J, et al. Evidence-based recommendations for optimal dietary protein intake in older people: a position paper from the PROT-AGE Study Group. J Am Med Dir Assoc. 2013. PMID 23867520. source
- NHS. The Eatwell Guide. Read 2026-11-01. source
- Parkinson E, et al. Low-intake dehydration prevalence in non-hospitalised older adults: systematic review and meta-analysis. Clin Nutr. 2023. PMID 37330324. source
- NHS. Vitamin D (page last reviewed 3 August 2020). Read 2026-11-01. source
- Volkert D, et al. ESPEN guideline on clinical nutrition and hydration in geriatrics. Clin Nutr. 2019. PMID 30005900. source
- Mills SR, et al. Can fortified foods and snacks increase the energy and protein intake of hospitalised older patients? A systematic review. J Hum Nutr Diet. 2018. PMID 29322564. source
- Vyas CM, et al. Effect of multivitamin-mineral supplementation versus placebo on cognitive function: results from the clinic subcohort of the COSMOS trial and meta-analysis of cognitive function in the COSMOS trials. Am J Clin Nutr. 2024. PMID 38244989. source
- Wang H, et al. Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency. Cochrane Database Syst Rev. 2018. PMID 29543316. source
- Avenell A, et al. Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men. Cochrane Database Syst Rev. 2014. PMID 24729336. source
- Hooper L, et al. Clinical symptoms, signs and tests for identification of impending and current water-loss dehydration in older people. Cochrane Database Syst Rev. 2015. PMID 25924806. source
- NHS. Unintentional weight loss (page last reviewed 28 July 2025). Read 2026-11-01. source
Related on AlternativeMed
Related goals
Manage Appetite Changes With Age → Recognize & Address Unintended Weight Loss → Care for Your Teeth & Mouth as You Age → Maintain Your Everyday Independence → Reduce Your Risk of Falls → Review Medicines & Supplements Safely → Keep Up With Preventive Care → Understand Longevity Research & Claims → Stay Hydrated for Daily Wellbeing → Foods for energy →
Ingredients, foods and supplements
Vitamin B12 → Vitamin D → Calcium → Protein powder → Multivitamins → Lentils →
Research, safety and claim-check resources
Supplements for healthy aging → Healthy aging: warning signs and when to get help → Healthy aging research and evidence → Strength training and protein for older adults → Social connection and loneliness →