Nutrition facts
Per 100 grams
- 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
Nutrition referenceOysters 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.
Nutrition facts
About this food
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.
Portion guidance
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 provide about 51 calories per 100 g. A typical 3 oz serving (about 85 g) provides roughly 43 calories.
Oysters provide about 5.7 g of protein per 100 g and are low in fat, making them a light source of protein.
Oysters are eaten raw on the half shell or cooked by steaming, grilling, frying, or baking. Cooking method and sauces affect the final calories.