Fruit

Rhubarb

87Health
Score

Rhubarb is a tart, celery-like vegetable stalk rich in fiber, potassium, and vitamin K, with minimal calories and a unique polyphenol profile supporting digestive and metabolic health.

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Why Rhubarb scores 87

Nutrient density31

Protein quality9

Fiber content10

Healthy fats5

Bioactive compounds11

Glycemic impact10

Top nutrients

Vitamin K24.4Calcium14.9Vitamin C8.9Manganese8.5Potassium6.1

Nutrition

per_100g

Calories

0.9g

Protein

4.5g

Carbs

0.2g

Fat

1.8g

Fiber

Health benefits

Supports digestive health and healthy gut microbiota composition

moderate evidence

High insoluble fiber content acts as a prebiotic, feeding beneficial bacteria while promoting regular bowel motility and microbial diversity

Promotes bone health through vitamin K-dependent osteocalcin activation

strong evidence

Vitamin K (29.3mcg per 100g) is essential cofactor for osteocalcin carboxylation, improving bone mineralization and fracture resistance

Reduces postprandial inflammation via polyphenolic antioxidants

emerging evidence

Anthocyanins and proanthocyanidins in rhubarb suppress NF-κB signaling and reduce circulating inflammatory markers after meals

Supports cardiovascular health through potassium-mediated vasodilation

strong evidence

High potassium content (288mg per 100g) balances sodium, reduces arterial stiffness, and supports endothelial nitric oxide production

May improve lipid metabolism and reduce hepatic steatosis

emerging evidence

Rhubarb polyphenols enhance PPARγ and LXRα signaling, improving insulin sensitivity and reducing hepatic fat accumulation in preclinical models

Pairs well with

·Pair with dairy (yogurt, milk, cheese) because calcium in dairy binds oxalic acid, reducing bioavailability concerns and improving mineral absorption
·Combine with ginger or turmeric because these spices enhance polyphenol bioavailability and synergize anti-inflammatory effects
·Pair with cinnamon because cinnamon improves postprandial glucose control, moderating rhubarb's small carbohydrate load when consumed as a sweetened preparation
·Combine with berries (strawberries, blueberries) because complementary polyphenol profiles create broader antioxidant coverage and enhance anthocyanin absorption through diverse phenolic synergy

Practical tips

·Best timing: anytime
·Cook rhubarb to reduce oxalic acid content by 30-50%, making it safer for those with kidney stone history or hyperoxaluria while retaining fiber and polyphenols
·Select bright red or pink stalks, avoiding yellowed or limp specimens; store in refrigerator wrapped in plastic for up to 3 weeks
·Prepare without added sugar or use minimal amounts with other polyphenol-rich sweeteners like monk fruit; the tart flavor profile naturally discourages over-consumption
·Consume rhubarb cooked in preparations like compotes or stewed dishes rather than raw to maximize polyphenol extraction and improve digestibility
·Aim for 50-100g servings (roughly 1-2 stalks) as part of a mixed vegetable intake; excessive consumption increases oxalic acid intake unnecessarily

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