Okra: Nutrients, What Research Shows and Safety

Okra (Abelmoschus esculentus) is the green seed pod of a plant in the mallow family (Malvaceae). The pod is eaten whole, cooked or raw, and it releases a clear, slippery gel when cut and heated. People eat it for its fiber, vitamins and minerals, and many online posts claim it lowers blood sugar. This page keeps okra as a food apart from supplements, powders and hype. It is information, not a plan for what to eat.

Read this first

• Warfarin (a blood thinner): okra has a moderate amount of vitamin K (26% of the Daily Value in 100 g, per USDA). [1] MedlinePlus says to eat a consistent amount of vitamin K foods from week to week and to talk to your doctor before changing your diet. [2] Do not start or stop eating okra in large amounts without asking the person who manages your warfarin.
• Kidney stones and kidney disease: one table of food oxalate values lists okra as high in oxalate (146 mg per 100 g), but that table names no source and is dated 2006, and other lists differ. [13] If you have had calcium oxalate stones or have kidney disease, ask your clinician or a kidney dietitian.
• Allergy: okra allergy is rare but has been reported. For trouble breathing or swelling of the face or throat, call 911. See food allergy basics and emergency signs.
• Evidence in one line: pooled small trials of okra products in people with type 2 diabetes or prediabetes found lower fasting glucose and HbA1c, but the certainty is low or very low and these were not mainly trials of the cooked vegetable. Okra does not replace diabetes medicine.

What is in it (USDA values)

Source: USDA FoodData Central, "Okra, raw" (SR Legacy, ID 169260). [1] USDA lists the household portion "1 cup" as 100 g (and "8 pods, 3 inches long" as 95 g), so the per-serving column equals the per-100 g column. % Daily Value uses the FDA 2016 Daily Values; values vary with variety, ripeness and storage.

USDA also lists beta-carotene (416 µg per 100 g) and lutein plus zeaxanthin (280 µg per 100 g), pigments of the carotenoid family. [1] We did not find a human trial that tested these compounds from okra, so their health effect from okra is not shown. The slippery gel in okra is mucilage, a plant gel made of long sugar chains. The sources we read on mucilage and okra are lab and mouse studies: for example, a 2026 study of fermented okra mucilage fractions reported lower blood sugar and less paw swelling in mice. [10] That is not evidence for people. USDA does not split okra's fiber into soluble and insoluble parts, so we do not state that split. [1]

What research says

Eaten as food vs taken as a supplement or extract

Normal role: a serving of okra gives fiber and a number of vitamins and minerals (table above), and it counts toward the daily amount of vegetables official bodies recommend. Observational findings about eating vegetables in general are not proof about okra itself. The diabetes trials are a different matter: the reviews call them "okra supplementation" or "okra consumption" and the abstracts we read do not say whether the products were fresh pods, powder, seed or peel, so we cannot say that cooked okra at dinner gives the same result. The authors of the largest review say okra might be a complementary approach and not a replacement for standard care. [6] One 2026 trial tested a branded red okra and Diospyros lotus combination for fat excretion in healthy adults, which is a different product and question. We do not cover it further.

How much is a normal serving

• The WHO healthy diet fact sheet (January 2026) says at least 400 g of fruits and vegetables a day for people older than 10. [18]
• The NHS (reviewed June 2026) counts 80 g of fresh, canned or frozen vegetables as one portion. [19] The USDA household portion for okra is 1 cup, about 100 g. [1]
• This is information, not a prescription. We did not find a source we could read on how cooking changes okra's nutrients, so we make no claim.

Safety, allergy and medicines

• Warfarin and vitamin K: the Linus Pauling Institute advises people on warfarin to keep vitamin K intake reasonably steady rather than swinging up and down. [3] MedlinePlus gives the same advice and also says to avoid large amounts of leafy green vegetables and certain oils high in vitamin K. [2] Okra is not a leafy green, and its vitamin K (31.3 µg per 100 g) is lower than in kale, but it is not zero. [1] Steady intake, and telling your anticoagulant clinic about big diet changes, is the safe pattern.
• Oxalate and kidney stones: a University of Washington oxalate table lists okra at 146 mg per 100 g, which puts it among higher-oxalate vegetables; the table gives no source and was updated in 2006. [13] The same page explains that calcium in the gut binds oxalate and keeps it from being absorbed. [13] The NHS lists a diet low in fiber and high in protein and salt as stone risks, advises enough calcium, and says to speak to a doctor before changing your diet. [14] It does not mention oxalate. We did not find a clinical guideline we could read that sets a limit for okra specifically. See foods, kidney disease, potassium and oxalates.
• Diabetes medicines (including metformin): we did not find a study we could read showing that okra changes how metformin or other diabetes medicines work, in people or in animals. A 2025 survey of 301 patients in Malawi found people using okra and other herbs alongside metformin, insulin and glibenclamide, and the authors flagged possible interactions but did not check outcomes. [12] Because okra products have been tested for lowering blood sugar, anyone on diabetes medicine should tell their clinician before using concentrated okra products, and should not stop or change medicines because of okra.
• Allergy: a 2025 paper reports okra allergy with cross-reactivity to medlar (the title is all we could read). [16] A 2024 case report describes a toddler with delayed vomiting after daily okra, a non-IgE food reaction called FPIES. [15] These are case reports, so how common okra allergy is remains unknown. For trouble breathing or swelling of the face or throat, call 911.
• Pregnancy and breastfeeding: we did not find a source we could read that gives okra-specific advice. See foods in pregnancy.
• Concentrated products: the largest review calls for research on dose and safety. [6] Okra capsules, powders and extracts are not covered by food advice.

Choosing, storing and food safety

• Choose pods that are not bruised or damaged, and refrigerate perishable produce at 40°F (4°C) or below. [17]
• Rinse produce under running water; the FDA does not recommend soap or commercial produce wash. Dry with a clean cloth or paper towel. [17]
• Washing reduces bacteria but does not remove them all, and cooking is the most effective way to kill harmful bacteria. [17]

Related pages

• Foods and medicine interactions: vitamin K, grapefruit and others
• Foods, kidney disease, potassium and oxalates
• Foods for blood sugar control
• How much fiber per day and fiber side effects
• Fresh, frozen and canned produce
• Food allergy basics and emergency signs