Chocolate milk glycemic index

Chocolate milk has a glycemic index of 29, which is low. A 250 ml serving (1 glass) has a glycemic load of 8 (low).

Also known as: flavored milk, chocolate milk drink

Glycemic indexLow
29
glucose = 100
Glycemic loadLow
8
per 250 ml
  • Serving250 ml
  • Available carbs29 g
  • Fiber1.8 g
  • Sugars24 g
  • Protein7.5 g
  • Calories195 kcal

Serving: 1 glass.

What to know

Flavored milks averaged a low GI of 29 across seven tests, but the added sugar roughly doubles the glycemic load of a glass compared with plain milk.

Glycemic load by portion size

GI stays the same whatever you eat, but glycemic load scales with the amount: eating twice as much doubles the effect on blood sugar.

AmountAvailable carbsGlycemic load
50 ml5.7 g2Low
100 ml11 g3Low
250 ml · 1 glass29 g8Low
500 ml · double serving57 g17Medium

What the studies found

The value of 29 is the mean calculated by the authors of the International Tables of Glycemic Index (2021) across 7 studies.

Chocolate milk compared with other dairy & plant milks

See all dairy & plant milks →

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Frequently asked questions

Is chocolate milk low glycemic?

Yes. With a GI of 29, chocolate milk is in the low range (55 or less).

What is the glycemic load of chocolate milk?

A 250 ml serving (1 glass) has a glycemic load of 8, which is low. Glycemic load combines GI with the amount of carbohydrate in the portion: 10 or less is low, 11 to 19 medium and 20 or more high.

Can people with diabetes eat chocolate milk?

With a GI of 29 and a low glycemic load per serving, chocolate milk usually fits a diabetes-friendly diet in normal portions. Everyone responds differently, so talk to your doctor or dietitian about your plan.

How many carbs are in chocolate milk?

A 250 ml serving has about 30 g of total carbohydrate, including 1.8 g of fiber, leaving 28.5 g of available carbohydrate (the part that raises blood sugar). Per 100 g: 12.1 g of carbohydrate.

Nutrition facts

per 100 gServing (250 ml)
Calories78 kcal195 kcal
Carbohydrates12 g30 g
Available carbs11 g29 g
Fiber0.7 g1.8 g
Sugars9.6 g24 g
Protein3 g7.5 g
Fat1.9 g4.8 g

Source: USDA FoodData Central, Milk, chocolate, fluid, commercial, reduced fat, with added calcium (SR Legacy, FDC 173450). Available carbohydrate = total carbohydrate minus fiber.

Sources: Atkinson FS, Brand-Miller JC, Foster-Powell K, Buyken AE, Goletzke J. International tables of glycemic index and glycemic load values 2021: a systematic review. Am J Clin Nutr. 2021;114(5):1625–1632. USDA FoodData Central. How we calculate each value: Methodology & sources.

Data last reviewed 2026-09-29.