Calories in Oyster,
Oyster Nutrition Facts

How many calories in Oyster? We provide you with the Oyster calories for the different serving sizes, Oyster nutrition facts and the health benefits of Oysters to help you lose weight and eat a healthy diet.

Like other shellfish, Oysters are molluscs. There are many varieties of Oysters, but only a few can be consumed.

Oysters can be eaten raw or cooked, it’s down to what you prefer, but they contain more vitamins and minerals if eaten raw.

Oysters are loaded with zinc, iron, and vitamin B12. They are also a good source of vitamins A, B1-B3, B5, B6, calcium, phosphorus, potassium, copper, manganese and selenium, as well as other vitamins and minerals.

Oysters contain omega-3 fatty acids. They are thought to be great for boosting our immune system. They are low in both calories and fat, and therefore beneficial to losing weight. Other Oyster benefits are believed to include a reduced risk of cardiovascular disease. Zinc is thought to help boost our testosterone, hence the considered view that Oysters are an aphrodisiac. Compare calories in Oyster with the other calories in seafood.

Mollusks, Oyster, Eastern, Farmed, Raw

Refuse: 0%
Scientific Name: Crassostrea virginica (Gmelin)

Serving Size	Calories per Serving
100 grams	59 kcal (247 kJ)
3 oz, 85 grams	50 kcal (210 kJ)
6 medium, 84 grams	50 kcal (207 kJ)

Mollusks, Oyster, Eastern, Farmed, Cooked, Dry Heat

Refuse: 0%

Serving Size	Calories per Serving
100 grams	79 kcal (331 kJ)
3 oz, 85 grams	67 kcal (281 kJ)
6 medium, 59 grams	47 kcal (195 kJ)

Mollusks, Oyster, Eastern, Wild, Raw

Refuse: 0%
Scientific Name: Crassostrea virginica (Gmelin)

Serving Size	Calories per Serving
100 grams	51 kcal (213 kJ)
1 cup, 248 grams	126 kcal (528 kJ)
6 medium, 84 grams	43 kcal (179 kJ)

Mollusks, Oyster, Eastern, Wild, Cooked, Moist Heat

Refuse: 0%

Serving Size	Calories per Serving
100 grams	102 kcal (427 kJ)
3 oz, 85 grams	87 kcal (363 kJ)
6 medium, 42 grams	43 kcal (179 kJ)

Calories in Oyster, Eastern, Wild, Cooked, Dry Heat

Refuse: 0%

Serving Size	Calories per Serving
100 grams	79 kcal (331 kJ)
3 oz, 85 grams	67 kcal (281 kJ)
6 medium, 59 grams	47 kcal (195 kJ)

Calories in Oyster, Pacific, Raw

Refuse: 0%
Scientific Name: Crassostrea gigas (Thunberg)

Serving Size	Calories per Serving
100 grams	81 kcal (339 kJ)
1 medium, 50 grams	40 kcal (170 kJ)
3 oz, 85 grams	69 kcal (288 kJ)

Mollusks, Oyster, Pacific, Cooked, Moist Heat

Refuse: 0%

Serving Size	Calories per Serving
100 grams	163 kcal (682 kJ)
1 medium, 25 grams	41 kcal (170 kJ)
3 oz, 85 grams	139 kcal (580 kJ)

Oyster Nutritional Information

Mollusks, Oyster,
Eastern, Farmed, Raw

Nutritional value per 100 g (3.5 oz)
Proximates:
Water	86.20 g
Energy	247 kJ (59 kcal)
Protein	5.22 g
Carbohydrates	5.53 g
Total Fat:	1.55 g
saturated fat	0.443 g
monounsaturated fat	0.152 g
polyunsaturated fat	0.591 g
Cholesterol	25 mg (8 %)
Minerals:
Calcium, Ca	44 mg (4 %)
Iron, Fe	5.78 mg (32 %)
Magnesium, Mg	33 mg (8 %)
Phosphorus, P	93 mg (9 %)
Potassium, K	124 mg (3 %)
Sodium, Na*	178 mg (8 %)
Zinc, Zn	37.92 mg (253 %)
Copper, Cu	0.738 mg (37 %)
Manganese, Mn	0.394 mg (20 %)
Selenium, Se	63.7 mcg (91 %)
Vitamins:
Vitamin C	4.7 mg (8 %)
Thiamine (Vit. B1)	0.105 mg (7 %)
Riboflavin (Vit. B2)	0.065 mg (4 %)
Niacin (Vit. B3)	1.267 mg (6.3 %)
Pantothenic acid (B5)	0.157 mg (2 %)
Vitamin B6	0.060 mg (3 %)
Folate (Vit. B9)	18 mcg (5 %)
Vitamin B12	16.2 mcg (270 %)
Vitamin A	25 IU (0.5 %)
Percentages are relative to US Recommended Daily Intake (RDI) for adults.

Source: USDA National Nutrient Database for Standard Reference

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