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Oyster Calories
Rich in zinc and vitamin B12, low-calorie seafood
CALORIES
GI
POTASSIUM
FIBER
Oyster Nutrition Facts
Selected: 100 g
68
KCAL / 100G
Carbs
4.2g
· 25%
Protein
7g
· 42%
Fat
2.5g
· 33%
Fiber
0g
Oyster Vitamins & Minerals
Vitamins
B12
16µg · 667% DV
Biotin
6µg · 20% DV
B2
0.19mg · 15% DV
B1
0.13mg · 11% DV
Minerals
Zinc
90mg · 818% DV
Copper
4mg · 444% DV
Selenium
30µg · 55% DV
Iodine
60µg · 40% DV
Oyster Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Oyster Processed?
NOVA 1
Unprocessed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Oyster Contain Allergens?
No known major allergens
Which Diets Is Oyster Good For?
Vegan
— Not suitable
Vegetarian
— Not suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Oyster Fat Profile
SATURATED
0.6g
MONOUNSATURATED
0.7g
POLYUNSATURATED
0.7g
Omega 6:3 ratio 0.1:1
Below the ideal 4:1 — a good omega balance.
Foods Similar to Oyster
Oyster — Frequently Asked Questions
How many calories and how much protein are in oysters?
Oysters provide 68 calories and 7 g of protein per 100 g. The same amount contains 2.5 g of fat and 4.2 g of carbohydrates.
Are oysters suitable for a keto diet?
Yes, oysters are listed as keto-compatible. They contain 4.2 g of carbohydrates per 100 g, so portion size should fit your daily carbohydrate target.
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Nutrition data compiled from USDA FoodData Central and scientific sources.