Crab vs. Lobster: Which is Healthier?
Crab vs. Lobster: Which Is Healthier?
Crab and lobster are two of the most celebrated seafood options in the world — both delicious, both nutritious, and both surprisingly low in calories. But when it comes to health, they’re not identical. This guide breaks down the key nutritional differences so you can make the best choice for your diet and health goals.
Nutritional Comparison (Per 3 oz / 85g Cooked Serving)
| Nutrient | Crab (Dungeness) | Lobster |
|---|---|---|
| Calories | 94 | 83 |
| Protein | 19g | 17g |
| Total Fat | 1.1g | 0.9g |
| Omega-3 Fatty Acids | 400–500mg | 100–200mg |
| Vitamin B12 | 30% DV | 47% DV |
| Selenium | 50% DV | 55% DV |
| Zinc | 26% DV | 10% DV |
| Copper | 14% DV | 35% DV |
| Vitamin E | Low | Moderate |
| Cholesterol | 65mg | 61mg |
Health Benefits of Crab
Crab is one of the most nutrient-dense seafoods available, offering an impressive nutritional profile in a low-calorie package:
- High in omega-3 fatty acids – Crab contains significantly more omega-3s than lobster, supporting heart health, brain function, and reducing inflammation
- Excellent source of zinc – Important for immune function, wound healing, and testosterone production
- Rich in selenium – A powerful antioxidant that protects cells from oxidative damage
- High-quality protein – 19g per serving with all essential amino acids
- Low in calories and fat – Ideal for weight management and lean muscle support
Health Benefits of Lobster
Lobster is equally impressive nutritionally, with some distinct advantages over crab:
- Highest in Vitamin B12 – 47% of daily value per serving, essential for nerve health, red blood cell production, and energy metabolism
- Rich in copper – Supports iron absorption, collagen production, and cardiovascular health
- High selenium content – On par with crab for antioxidant protection
- Slightly lower in calories – 83 calories vs. 94 for crab per 3 oz serving
- Good source of vitamin E – An antioxidant that supports skin health and immune function
Which Is Healthier: Crab or Lobster?
The honest answer: both are excellent choices. But here’s how to decide based on your goals:
- Choose crab if: You want more omega-3s, zinc, or are focused on heart and brain health
- Choose lobster if: You want more B12, copper, or are focused on energy metabolism and immune support
- For weight loss: Both are low in calories and fat — either works well
- For muscle building: Crab edges ahead with slightly more protein per serving
Are Crab and Lobster High in Cholesterol?
Both crab and lobster contain moderate dietary cholesterol (60–65mg per serving), but they are very low in saturated fat — the type of fat that actually raises blood cholesterol levels. Current dietary guidelines indicate that dietary cholesterol from lean seafood has minimal impact on blood cholesterol for most people. Both are considered heart-healthy choices.
Are Crab and Lobster Safe During Pregnancy?
Yes — both crab and lobster are safe to eat during pregnancy when fully cooked. They are low in mercury compared to larger fish like swordfish or king mackerel, and their high protein and B12 content make them beneficial during pregnancy. The FDA recommends 2–3 servings of low-mercury seafood per week for pregnant women.
FAQ
Q: Is crab or lobster better for weight loss?
A: Both are low in calories and fat. Crab has slightly more protein, which supports satiety, but either is an excellent choice for a weight-conscious diet.
Q: Which has more omega-3s — crab or lobster?
A: Crab has significantly more omega-3 fatty acids (400–500mg per serving) compared to lobster (100–200mg per serving).
Q: Is lobster or crab higher in protein?
A: Crab is slightly higher in protein — approximately 19g vs. 17g per 3 oz serving.
Q: Can I eat crab or lobster every week?
A: Yes — both are low-mercury seafoods and can be enjoyed 2–3 times per week as part of a balanced diet.
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Watch our seafood recipes and cooking tips on the Global Seafoods YouTube channel.
Conclusion
Crab and lobster are both outstanding choices for a healthy, protein-rich diet. Crab wins on omega-3s and zinc; lobster leads on B12 and copper. Either way, you can’t go wrong — both are low in calories, high in nutrients, and absolutely delicious. Shop our wild-caught seafood collection and enjoy restaurant-quality crab and lobster delivered to your door.
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