A lobster tail, a delicacy renowned for its tender texture and sweet flavor, is also a nutritional powerhouse. When prepared healthily, it offers a wealth of essential nutrients and minerals, making it a valuable addition to a balanced diet. Its nutritional profile, including its high protein and vitamin content, often surprises those who view it simply as a luxury food item.
Core Macronutrients
For a standard 3-ounce (approx. 85g) serving of cooked lobster meat, the nutritional breakdown is highly favorable for health-conscious diners.
Protein
Lobster is an excellent source of high-quality, complete protein, containing all nine essential amino acids. A 3-ounce serving typically contains around 14 to 19 grams of protein, supporting tissue repair, hormone production, and muscle growth.
Fat and Carbohydrates
Lobster is low in fat and carbohydrates. A 3-ounce serving has less than 1 to 2 grams of fat, with minimal saturated fat. It contains virtually zero carbohydrates and no dietary fiber, suitable for low-carb and ketogenic diets.
Essential Vitamins and Minerals
Lobster meat is packed with crucial vitamins and minerals.
Vitamins
- Vitamin B12: Essential for nerve function, brain health, and red blood cell formation; a single serving can provide over half the daily recommended intake.
- Vitamin E: An antioxidant protecting cells from damage.
Minerals
- Selenium: An exceptional source, providing nearly double the daily value per 3-ounce serving. It acts as an antioxidant and supports thyroid and immune function.
- Zinc: Important for immune function, protein synthesis, and wound healing.
- Copper: Involved in energy production and DNA synthesis.
- Iodine: Critical for thyroid hormone production.
- Phosphorus: Vital for bone health and kidney function.
Heart Health and Omega-3s
Lobster contains beneficial omega-3 fatty acids, contributing to heart and brain health and offering anti-inflammatory properties, though in lower amounts than fatty fish.
Demystifying Cholesterol and Fat
While a 3-ounce serving has around 77mg of cholesterol, dietary guidelines focus more on limiting saturated and trans fats, which lobster is low in. This makes lobster a healthier protein than many red meats for managing cholesterol, though individuals with genetic predispositions should consult a doctor.
Sodium Content and Preparation
Lobster naturally contains moderate sodium, but levels can rise with preparation and sauces.
Healthy cooking methods:
- Steaming or boiling: Avoids added fats.
- Grilling: Use lemon and herbs instead of melted butter.
- Baking: Healthy with minimal added ingredients.
- Avoid excessive butter or mayonnaise: They increase calories and fat.
Nutritional Comparison: Lobster vs. Other Shellfish
Here's a comparison based on a 1-cup (approx. 145g) serving:
| Nutrient | Lobster (Cooked) | Shrimp (Cooked) | Crab (Cooked) | 
|---|---|---|---|
| Calories | 128 | 110 | 115 | 
| Protein | 27 g | 22 g | 22 g | 
| Fat | 1.2 g | 2 g | 2 g | 
| Carbohydrates | 0 g | 0 g | 0 g | 
| Omega-3s | ~280 mg | ~200 mg | ~220 mg | 
| Cholesterol | ~108 mg | ~170 mg | ~98 mg | 
| Sodium | 551 mg | 155 mg | 310 mg | 
Important Considerations
Lobster is a common allergen. It is generally low in mercury, but pregnant women and young children should moderate intake according to health advisories.
Conclusion
A lobster tail offers significant high-quality protein, is low in fat and calories, and provides essential minerals like selenium, zinc, copper, phosphorus, and B vitamins, especially B12. While it has dietary cholesterol, its low saturated fat content makes it a healthy choice for most. Healthy preparation methods maximize its benefits. For further reading, consult the USDA FoodData Central database.