Bok Choy
A crisp Asian brassica that is exceptionally rich in vitamins A, C and K per calorie.

Nutrition per 100 g
Standardised to 100 g of bok choy, raw for fair comparison. Typical serving: 100 g raw — 13 kcal per 100 g serving.
| Nutrient | Per 100 g | Per serving (100 g) | Per 100 kcal |
|---|---|---|---|
| Energy | 13 kcal | 13 kcal | 100 kcal |
| Protein | 1.5 g | 1.5 g | 11.5 g |
| Carbohydrate | 2.2 g | 2.2 g | 16.9 g |
| Fat | 0.2 g | 0.2 g | 1.5 g |
| Fibre | 1 g | 1 g | 7.7 g |
Figures are typical values and vary with variety, preparation and brand.
Micronutrients
Vitamins and minerals per 100 g of bok choy, with a typical serving and FDA Daily Value for adults.
| Nutrient | Per 100 g | Per serving (100 g) | % DV |
|---|---|---|---|
| Vitamins | |||
| Vitamin C | 30.3 mg | 30.3 mg | 34% |
| Folate | 68 µg | 68 µg | 17% |
| Minerals | |||
| Calcium | 61.9 mg | 61.9 mg | 5% |
| Iron | 0.44 mg | 0.44 mg | 2% |
| Magnesium | 13.6 mg | 13.6 mg | 3% |
| Phosphorus | 30.5 mg | 30.5 mg | 2% |
| Potassium | 228 mg | 228 mg | 5% |
| Sodium | 14.3 mg | 14.3 mg | <1% |
| Zinc | 0.27 mg | 0.27 mg | 2% |
| Copper | 0.028 mg | 0.028 mg | 3% |
| Manganese | 0.2 mg | 0.2 mg | 9% |
Source: USDA FoodData Central — Cabbage, bok choy, raw
% DV uses FDA Daily Values for adults. Nutrients that USDA does not report for this entry are omitted. Values vary with variety, preparation and brand.
Why eat bok choy?
- One of the best nutrient-per-calorie vegetables available.
- Calcium in a well-absorbed, low-oxalate form.
- Cooks in under three minutes.
How to include it
- Halve and sear cut-side down, then steam with a splash of water.
- Stir-fry with garlic, ginger and soy.
- Drop into noodle soup in the last minute.
Things to consider
- Wilts fast — add at the very end of a stir-fry.
- Very large intakes of raw brassicas may affect thyroid function in iodine deficiency.
Educational content. This article is for general information and is not medical advice. Speak to a qualified health professional about your individual circumstances.
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