OystersNutrition reference
Seafood

Oysters

Oysters are saltwater bivalve mollusks with soft, briny flesh, eaten raw or cooked. Per 100 g they provide 51 calories with 5.7 g protein and 1.7 g fat.

51
kcalper 100g
Carbs
2.7g
Protein
5.7g
Fat
1.7g
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Nutrition facts

Per 100 grams

Reference values
Energy
51 kcal213.4 kJ
Carbohydrates
2.7 g
Protein
5.7 g
Total fat
1.7 g
Dietary fiber
0 g
Sodium
85 mg
Calcium
59 mg

About this food

Understanding this nutrition reference

Oysters are saltwater bivalve mollusks with soft, briny flesh protected by a rough shell. They are eaten raw on the half shell or cooked by steaming, grilling, frying, or baking, and are prized as a delicacy in many cuisines.

Nutritionally, oysters are low in calories and provide protein. Per 100 g they provide about 51 kcal, 5.7 g of protein, 1.7 g of fat, and 2.7 g of carbohydrates, with 85 mg of sodium and 59 mg of calcium.

A single raw oyster weighs only a few grams, so several are usually eaten at a time. For accurate tracking, count the oysters or weigh the drained flesh, and use the serving sizes below.

Food state
Raw
Edible portion
Fresh flesh, shell removed
Measurement basis
Per 100 g raw edible portion

Portion guidance

How to use the serving references

Nutrition values are reported per 100 g. A typical 3 oz serving (about 85 g) provides roughly 43 kcal. Use the serving sizes below to estimate portions when logging.

Questions and answers

Oysters nutrition FAQ

How many calories are in oysters?

Oysters provide about 51 calories per 100 g. A typical 3 oz serving (about 85 g) provides roughly 43 calories.

Are oysters high in protein?

Oysters provide about 5.7 g of protein per 100 g and are low in fat, making them a light source of protein.

How are oysters usually eaten?

Oysters are eaten raw on the half shell or cooked by steaming, grilling, frying, or baking. Cooking method and sauces affect the final calories.

Oysters Nutrition Facts, Calories and Protein | CaloriePilot