Salmon Nutrition Guide: Protein, Omega-3s, Vitamins & Species
Salmon Nutrition: Health Benefits, Expert Recommendations, and How to Cook It
Salmon is a nutrient-dense fish that provides complete protein, EPA and DHA omega-3 fats, vitamin B12, selenium, and—in many salmon products—vitamin D. Exact amounts vary by species, feed, season, portion, and cooking method, so nutrition values should be treated as product-specific rather than universal.
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Salmon Nutrition Facts (per 3 oz / 85g cooked wild sockeye salmon)
- Calories: 133 | Protein: 23g | Fat: 4.7g | Carbs: 0g
- Omega-3 (EPA+DHA): ~1,000–1,500mg — one of the highest of any commonly eaten food
- Vitamin B12: ~236% DV | Vitamin D: ~97% DV | Selenium: ~78% DV
- Potassium: ~12% DV | Niacin (B3): ~63% DV | Phosphorus: ~28% DV
- Mercury: Low — FDA "Best Choice"; safe for pregnant women and children
Note: Wild and farmed salmon can both provide protein and EPA/DHA omega-3 fats. Fat content and fatty-acid levels vary substantially by species and product; neither category should be treated as universally more nutritious or lower in contaminants.
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Key Health Benefits
Heart Health
EPA and DHA are well-studied long-chain omega-3 fats. Fish and seafood can be part of a heart-healthy dietary pattern, and omega-3 intake can affect blood triglycerides. Salmon should be presented as a food within an overall diet, not as a treatment or guarantee against cardiovascular disease.
Brain and Cognitive Health
DHA is an important structural fat in the brain and retina. Fish provides preformed DHA and EPA, but observational associations between fish intake and cognitive outcomes do not establish that eating salmon prevents depression, dementia, or Alzheimer’s disease.
Muscle and Metabolic Health
At 23g of complete protein per 3 oz serving, salmon provides all essential amino acids needed for muscle protein synthesis, tissue repair, and immune function. Its high protein-to-calorie ratio (133 calories for 23g protein) makes it one of the most efficient protein sources available. Selenium (78% DV) supports thyroid function and acts as an antioxidant; niacin (63% DV) supports energy metabolism.
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Bone Health
Salmon can contribute protein and micronutrients relevant to normal bone health. Vitamin D content varies by species and product, so use product-specific nutrition information rather than assuming a fixed percentage of daily value.
Wild vs. Farmed Salmon: What's the Difference?
| Factor | Wild Salmon | Farmed Atlantic Salmon |
|---|---|---|
| Omega-3 content | ~1,000–1,500mg per 3 oz | ~1,800–2,200mg per 3 oz (higher due to feed) |
| Calories | ~133 per 3 oz | ~175 per 3 oz (higher fat overall) |
| Contaminants (PCBs) | Lower | Higher (varies by farm) |
| Astaxanthin (antioxidant) | Natural (from krill/shrimp diet) | Often synthetic (added to feed) |
| Sustainability | Varies by fishery; MSC-certified options available | Varies significantly by farm practices |
| Flavor | Leaner, more complex, more "salmon" flavor | Richer, fattier, milder |
Best Ways to Cook Salmon
Pan-Seared Salmon (The Weeknight Standard)
Pat fillets dry; season with salt and pepper. Sear skin-side down in a hot cast iron or stainless steel pan with a small amount of oil for 4–5 minutes until the skin is crispy and the flesh is opaque about ¾ of the way up. Flip and cook 1–2 minutes more. For a fully cooked result, verify 145°F in the thickest part with a food thermometer. Finish with lemon juice and butter.
Grilled Salmon
Brush with olive oil; season with salt, pepper, and herbs. Grill skin-side down over medium-high heat for 4–5 minutes; flip and grill 2–3 minutes more. The skin protects the flesh from the grill and crisps up beautifully. Don't move the fish until it releases naturally from the grates.
Baked Salmon
The most forgiving method. Preheat oven to 400°F. Season fillets; bake 12–15 minutes until just cooked through. A simple miso-butter glaze (white miso + butter + mirin) applied before baking adds exceptional flavor with minimal effort.
Smoked Salmon
Cold-smoked (lox/nova) and hot-smoked salmon are both excellent ways to enjoy salmon with minimal cooking effort. Cold-smoked salmon is silky and delicate; hot-smoked is flaky and more intensely flavored. Both are excellent on bagels, in salads, on blinis, or as a standalone appetizer.
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🎥 Watch salmon cooking tutorials on the Global Seafoods YouTube Channel
FAQs: Salmon Nutrition
How often should I eat salmon?
U.S. dietary guidance encourages seafood as part of a healthy eating pattern. FDA/EPA fish advice is specifically designed for people who might become or are pregnant or breastfeeding and for children; salmon is listed among the “Best Choices” based on mercury. Serving frequency and portion size depend on the applicable guidance and individual needs.
Is wild salmon nutritionally better than farmed?
Not universally. Both can provide protein and EPA/DHA omega-3 fats. Total fat, fatty-acid composition, contaminants, feed, and environmental performance vary by species, source, and production system. Compare the specific product rather than relying on the wild/farmed label alone.
What's the best salmon species for nutrition?
King, Sockeye, Coho, Pink, Chum, and Atlantic salmon differ in fat content, flavor, texture, and typical portion characteristics. Nutrition also varies within a species. Choose by the specific product, nutrition information, flavor, and cooking method rather than treating one species as universally “best.”
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