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Food guide

Bok choy: nutrition and portions

Raw pak choi: 13 kcal and 1.5 g protein per 100 g. Explore household weights, preparation notes and a calculator for your portion.

Nutrition checked 11 September 2026Source USDA FoodData CentralNutrition reference, not a FODMAP rating

The short answer

Raw pak choi has 13 kcal, 1.5 g protein, 2.2 g carbohydrate, 0.2 g fat and 1 g fibre per 100 g.

Nutrition calculator

What's in your portion?

Raw pak choi. Adjust the edible weight to calculate nutrition.

Energy
13 kcal
Protein
1.5 g
Carbohydrate
2.2 g
Fat
0.2 g
Fibre
1 g

This calculates nutrition only. These weights are not tested FODMAP limits or recommended servings.

What does this say about FODMAPs?

This USDA record does not establish a FODMAP rating or a tested serving limit for bok choy. Use this page to understand the preparation and nutrition, and discuss food-specific guidance with your dietitian.

The nutrition calculator uses grams for raw pak choi. It does not measure FODMAP content, determine a personal tolerance, or account for other ingredients.

Use the matching preparation

Bok choy and pak choi refer to this Chinese cabbage. Weigh the stems and leaves you use, then count any stir-fry sauce separately.

Nutrition at common portion weights

USDA household weights for raw pak choi. These are measurements, not serving recommendations.
PortionWeightEnergyProtein
1 head840 g109 kcal12.6 g
1 leaf14 g2 kcal0.2 g
1 cup, shredded70 g9 kcal1.1 g

Values are per 100 g from USDA FoodData Central, scaled by weight and rounded for display. Bornly's matching reference entry is “Pak-Choi Cabbage, Chinese, Raw”. Missing nutrients remain unavailable, not zero.

Questions

Common questions.

How many calories are in bok choy?
Raw pak choi has 13 kcal per 100 g in USDA FoodData Central. 1 head (840 g) gives about 109 kcal.
How much protein is in bok choy?
Raw pak choi has 1.5 g of protein per 100 g. 1 head (840 g) gives about 12.6 g.
How much carbohydrate and fibre does bok choy have?
Raw pak choi has 2.2 g of carbohydrate per 100 g. Dietary fibre is 1 g per 100 g.
Is bok choy low FODMAP?
This page does not rate it. The USDA record describes nutrition, not FODMAP content or a tested serving limit. If you follow a low FODMAP diet, ask your dietitian about portions during the restriction and reintroduction phases.

Sources

Sources and review notes.

NIDDK provides general education about diet and IBS, not a rating for this food. The USDA values are nutrition references, not a FODMAP laboratory test.