Bok Choy

Nutrition per ~85 g · ¾ cup chopped

1.0 g net carbs after fiber.

Vitamins

Minerals & other

Bioactives estimated

Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.

What drives the score weighted inputs

These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 94.

What it feeds primary sources only

Systems

Pathways

Overview

Bok choy (Brassica rapa subspecies chinensis) originated in China and has been cultivated for over 6,000 years. This cruciferous vegetable is nutritionally dense, providing high levels of vitamin K (essential for bone mineralization and vascular health), vitamin C (immune support and collagen synthesis), and calcium in a bioavailable form. The white stalks and dark green leaves contain glucosinolates—sulfur compounds that convert to isothiocyanates during digestion, activating phase II detoxification enzymes in the liver. Bok choy also contains lutein and zeaxanthin, carotenoids protective against age-related macular degeneration. Unlike some cruciferous vegetables, bok choy has a mild flavor and tender texture, making it accessible for regular consumption. Its low calorie density (13 kcal per 100g) combined with high micronutrient concentration makes it an ideal longevity food for supporting bone density, cardiovascular health, and cellular defense mechanisms. The vegetable's bioactive compounds have demonstrated anti-inflammatory and potential anti-cancer properties in cell and animal studies, though human clinical evidence remains limited.

Health benefits 5

Pairs with

• Pair with healthy fats (olive oil, sesame oil, avocado) because fat-soluble vitamin K requires dietary lipids for absorption and bioavailability
• Combine with garlic or onions because allicin compounds enhance the bioavailability of glucosinolate metabolites and provide synergistic antimicrobial benefits
• Serve with citrus (lemon, lime) or tomatoes because vitamin C enhances non-heme iron absorption from bok choy's plant-based iron sources
• Pair with fermented foods (miso, tempeh, kimchi) because beneficial bacteria may enhance the conversion of glucosinolates to active isothiocyanates in the gut

In the kitchen

• Consume raw or lightly steamed (2-3 minutes) to preserve glucosinolates and heat-sensitive vitamin C; prolonged cooking reduces bioactive compound content by 30-50%
• Select smaller, younger bok choy (3-4 inches) which has more tender leaves and higher nutrient density than mature specimens
• Store in a breathable plastic bag in the refrigerator crisper drawer for up to 5 days; avoid moisture accumulation to prevent decay
• Chop or chew thoroughly before consuming to rupture cell walls and activate myrosinase enzyme, which converts glucosinolates to isothiocyanates during digestion
• Include bok choy 3-4 times weekly as part of a diverse cruciferous vegetable rotation (with broccoli, Brussels sprouts, cabbage) to ensure consistent intake of glucosinolates

When to eat it anytime

Bok choy can be consumed at any meal without time-dependent nutrient interactions. Morning consumption supports vitamin K intake for bone health; inclusion in evening meals aids phase II detoxification during sleep when liver regeneration is active.

Breaks a fast

Individuals taking warfarin should maintain consistent vitamin K intake; sudden increases in bok choy consumption may affect coagulation. Those with thyroid conditions should not rely on bok choy as a primary vegetable (goitrogens present when raw in large quantities), but normal cooked consumption is safe.