Vegetable

Rutabaga

88Health
Score

Rutabaga is a cruciferous root vegetable rich in vitamin C, potassium, and fiber, providing robust nutritional support for cardiovascular health and longevity with minimal caloric density.

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Why Rutabaga scores 88

Nutrient density31

Protein quality7

Fiber content10

Healthy fats5

Bioactive compounds11

Glycemic impact10

Top nutrients

Vitamin C27.8Vitamin B69.4Thiamin7.5Potassium6.5Manganese5.7

Nutrition

per_100g

Calories

1.1g

Protein

8.6g

Carbs

0.2g

Fat

2.3g

Fiber

Health benefits

Cardiovascular protection through potassium-mediated blood pressure regulation

strong evidence

Potassium (305mg/100g) antagonizes sodium effects and supports vascular endothelial function, reducing hypertension risk and arterial stiffness—primary drivers of cardiovascular aging

Enhanced detoxification and cancer risk reduction via glucosinolate metabolism

moderate evidence

Glucosinolates convert to isothiocyanates (sulforaphane pathway), which upregulate Phase II detoxification enzymes (glutathione S-transferases) and suppress carcinogenic pathways

Immune function and collagen synthesis via vitamin C bioavailability

strong evidence

25mg vitamin C per 100g serves as cofactor for prolyl hydroxylase in collagen cross-linking and supports neutrophil function and T-cell differentiation

Improved gut microbiota diversity through resistant starch and fiber

moderate evidence

Insoluble fiber (2.3g/100g) and cooked rutabaga's resistant starch promote short-chain fatty acid (butyrate) production, strengthening gut barrier integrity and reducing systemic inflammation

One-carbon metabolism support and DNA stability via folate and choline

moderate evidence

Folate (21mcg) and choline (14.1mg) facilitate methylation reactions critical for DNA repair and epigenetic regulation, reducing mutation accumulation in aging

Pairs well with

·Pair with extra virgin olive oil because fat-soluble antioxidants in rutabaga (carotenoids, fat-soluble vitamins) require lipid presence for optimal absorption and bioavailability
·Combine with sulfur-rich alliums (garlic, onions) because both contain complementary glucosinolates and sulfur compounds that synergistically enhance detoxification enzyme induction
·Eat with fermented foods (sauerkraut, kimchi) because rutabaga's fiber serves as prebiotic substrate for beneficial Lactobacillus and Bifidobacterium, amplifying SCFA production
·Pair with cruciferous greens (kale, broccoli) because stacking multiple Brassicas maximizes glucosinolate diversity and isothiocyanate production for broader xenobiotic metabolism coverage

Practical tips

·Best timing: midday
·Store rutabagas unwashed in cool (45-50°F), humid conditions for 4-6 weeks; remove waxy coating only before cooking to prevent dehydration and preserve antioxidant stability
·Roast at 400°F for 30-40 minutes to caramelize natural sugars and amplify bioavailable polyphenols; cooked rutabaga shows increased bioavailability of carotenoids compared to raw
·Peel after cooking (rather than before) to minimize nutrient leaching and retain heat-stable vitamin C and potassium near the skin layer
·Include rutabaga mash (cubed + roasted + pureed) as a lower-glycemic alternative to mashed potatoes; each 150g serving delivers ~55kcal with superior mineral density and slower glucose response
·Ferment diced rutabaga with sea salt (2% by weight) for 5-7 days at room temperature to enhance glucosinolate conversion and generate probiotic-rich condiment with extended shelf life

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