Oysters — Nutrition & Calories
Oysters per 100g: 68 cal · 7.1g protein · 3.9g carbs · 2.5g fat · 0g fiber. Zinc powerhouse shellfish with more zinc per serving than any other food, also rich in B12 and copper.
Oysters contains 68 calories per 100g serving — 7.1g protein, 3.9g carbs, 2.5g fat, 0g fiber, 417mg sodium. Per 100g: 68 calories. Contains animal products. Keto-friendly. Gluten-free. Zinc powerhouse shellfish with more zinc per serving than any other food, also rich in B12 and copper.
Oysters Macros (per 100g)
Oysters Calories by Serving Size
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 g (100g) | 68 cal | 7.1g | 3.9g | 2.5g |
| 100g | 68 cal | 7.1g | 3.9g | 2.5g |
| 200g | 136 cal | 14.2g | 7.8g | 5.0g |
| 1 cup (~240g) | 163 cal | 17.0g | 9.4g | 6.0g |
| 1 oz (28g) | 19 cal | 2.0g | 1.1g | 0.7g |
Burn Off Oysters (68 calories) — Exercise Time
For a 154 lb (70 kg) person, time needed to burn 68 calories from Oysters:
- Walking (3 mph)16 min
- Running (6 mph)6 min
- Cycling (moderate)7 min
- Swimming (moderate)9 min
Calculated from MET values per Compendium of Physical Activities 2024 (Ainsworth et al., updated from 2011).
Diet Compatibility
Frequently Asked Questions
How many calories are in Oysters?
Oysters contains 68 calories per 100g serving. That's 68 calories per 100g, or 163 calories per cup (~240g). Calorie content varies based on preparation method.
What's the protein content in Oysters?
Oysters has 7.1g of protein per 100g (7.1g protein per 100g). Moderate protein content.
Is Oysters keto-friendly?
Yes, Oysters is keto-friendly. With 3.9g carbs and 2.5g fat per 100g, it fits within standard keto macros (under 20-50g carbs/day). Net carbs: 3.9g.
Is Oysters suitable for a vegan diet?
Oysters is NOT suitable for strict vegans (contains animal-derived ingredients). Vegan substitutes vary by recipe.
What are the macros for Oysters?
Per 100g: 68 calories, 7.1g protein (42% cal), 3.9g carbs (23% cal), 2.5g fat (33% cal). Fiber: 0g. Sodium: 417mg.
How much Oysters should I eat to lose weight?
For weight loss, Oysters fits a calorie deficit if portioned. A typical 500 cal/day deficit means Oysters can comprise up to 735g as a snack, or paired with vegetables for a meal. Use our Calorie Deficit Calculator to determine your daily target.