Are oysters keto?

Oysters

Keto-friendly Yes — oysters are keto-friendly.

Rich in zinc with a few natural carbs. Six oysters fit easily.

Nutrition per serving

6 medium · 84 g
Net carbs
2.3g
Calories
43kcal
Protein
4.8g
Fat
1.4g
Total carbs
2.3 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 12%

About 185 g of oysters adds up to 5 g net carbs — roughly 2.2 typical servings.

Nutrition facts for oysters
NutrientPer servingPer 100 g
Calories43 kcal51 kcal
Total carbohydrate2.3 g2.7 g
Dietary fiber0 g0 g
Net carbs2.3 g2.7 g
Sugars 0.5 g 0.6 g
Protein4.8 g5.7 g
Fat1.4 g1.7 g

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Frequently asked questions

Are oysters keto?

Yes — oysters are keto-friendly. Rich in zinc with a few natural carbs. Six oysters fit easily.

How many net carbs are in oysters?

6 medium (84 g) of oysters has about 2.3 g net carbs (2.3 g total carbs minus 0 g fiber). Per 100 g, that's 2.7 g net carbs.

How much oysters can I eat on keto?

About 185 g of oysters adds up to 5 g net carbs — roughly 2.2 typical servings. On a typical 20 g daily limit, one serving uses about 12% of your carbs.

More fish & seafood

Full fish & seafood list

Source: USDA FoodData Central (SR Legacy #171978): Mollusks, oyster, eastern, wild, raw. Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

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