Calories in Oysters
Oysters are a type of shellfish known for their unique flavor and texture. They are a low-calorie, high-protein food rich in essential minerals like zinc, iron, and vitamin B12, making them a nutritious addition to any diet.

Common Variations
| Variation | Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 pacific (48g) | 1 pacific (48g) | 33 | 3.4g | 1.9g | 1.2g |
| 1 eastern (14g) | 1 eastern (14g) | 10 | 1g | 0.6g | 0.3g |
| 1 oyster, NFS, raw (14g) | 1 oyster, NFS, raw (14g) | 10 | 1g | 0.6g | 0.3g |
| 1 oz, without shell (28g) | 1 oz, without shell (28g) | 19 | 2g | 1.1g | 0.7g |
| 1 serving (85 g) | 1 serving (85 g) | 58 | 6g | 3.3g | 2.1g |
Health Benefits
Rich in Micronutrients: Oysters are packed with essential vitamins and minerals, especially zinc, selenium, iron, and vitamin B12, crucial for various bodily functions.
High-Quality Protein: They provide a good source of lean protein, supporting muscle growth and repair, and contributing to satiety.
Heart Health: Oysters contain omega-3 fatty acids, which are beneficial for heart health, reducing inflammation, and supporting brain function.
Nutrition Tips
- Enjoy oysters raw for the purest flavor and lowest calorie count.
- Pair oysters with lemon juice or a light mignonette instead of creamy sauces to keep them healthy.
- Be mindful of preparation methods; fried or heavily buttered oysters significantly increase calorie and fat content.
- Oysters are a great source of zinc, important for immune function and wound healing.
- Incorporate oysters into a balanced diet to benefit from their rich mineral profile, including iron and vitamin B12.
GAYA Tracking Tip
For accurate tracking of raw oysters, count the number of oysters consumed. If they are prepared (e.g., fried, Rockefeller), try to estimate the amount of breading or sauce, or log them as a specific dish if available.
Frequently Asked Questions
Are oysters high in calories?+
No, raw oysters are generally low in calories. A serving of 6 medium raw oysters contains only about 30-35 calories, making them a light and nutritious option.
Do oysters contain a lot of cholesterol?+
While oysters do contain some cholesterol, it's generally not considered high. The dietary cholesterol in oysters has a minimal impact on blood cholesterol levels for most healthy individuals.
Are oysters good for weight loss?+
Yes, raw or lightly prepared oysters can be beneficial for weight loss due to their low-calorie, high-protein, and nutrient-dense profile, which can promote satiety without excessive calories.
Related Foods
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