Protein in Salmon: Wild vs Farmed, by Type, and Nutrition Comparison

The quick answer: A 3.5 oz (100g) serving of cooked salmon contains approximately 25g of protein with 208 calories. Salmon is unique among high-protein foods because it also delivers a significant dose of omega-3 fatty acids — roughly 2,000mg per serving — making it one of the most nutritionally complete protein sources available.

How Much Protein Is in Salmon?

Salmon consistently ranks among the top protein foods recommended by nutritionists, not just for its protein content but for the overall nutritional package. Here is the protein by common serving sizes:

These values are based on USDA data for Atlantic salmon, which is the most commonly sold variety. Other types have slightly different profiles, as we will cover below.

Protein by Salmon Type

Not all salmon is the same. The species and whether it is wild-caught or farmed significantly affect the protein, fat, and calorie content:

Sockeye salmon delivers the most protein per calorie, making it the best choice for those focused on maximizing protein while keeping calories in check. King salmon is the fattiest but also has the richest flavor and highest omega-3 content.

Wild vs Farmed Salmon

The wild vs farmed debate comes down to nutritional differences and personal priorities:

Farmed salmon actually contains more total omega-3s because it is fattier overall, but wild salmon has a better omega-3 to omega-6 ratio. Both are excellent protein sources. If budget allows, wild is generally considered the better nutritional choice, but farmed salmon is still far healthier than most other protein options.

Raw vs Cooked Salmon Weight

Like all proteins, salmon loses weight during cooking due to moisture and fat loss. Salmon typically loses 15-25% of its weight:

The protein in the fillet stays the same before and after cooking. The per-ounce protein appears higher after cooking because water has evaporated. When logging your food, always specify whether you are weighing raw or cooked.

Canned Salmon: An Affordable Alternative

Canned salmon is one of the most underrated protein sources. It is shelf-stable, affordable, and nutritionally comparable to fresh:

Canned salmon is almost always wild-caught (typically pink or sockeye). The bones in traditional canned salmon are soft enough to eat and are an excellent source of calcium — one can provides about 20% of the daily value.

The Omega-3 Bonus: Why Salmon Protein Is Superior

What sets salmon apart from other protein sources is the omega-3 fatty acid content. A single 3.5 oz serving provides:

• EPA: approximately 800-1,200mg
• DHA: approximately 800-1,400mg
• Total omega-3: approximately 1,800-2,500mg

The American Heart Association recommends at least two servings of fatty fish per week, which would provide roughly 500mg of EPA and DHA per day. One serving of salmon covers more than double this target.

Omega-3 benefits supported by research include:

• Reduced triglyceride levels (by 15-30%)
• Lower blood pressure
• Reduced systemic inflammation
• Improved brain function and mental health
• Better joint health and reduced stiffness

No other high-protein food delivers this level of omega-3s. Chicken breast, the most popular protein, contains virtually zero omega-3 fatty acids.

Cost Per Gram of Protein: Salmon vs Chicken and Other Sources

Salmon is more expensive than chicken, but the omega-3 benefit partially offsets the cost difference:

Canned and frozen salmon are the budget-friendly options. Frozen wild salmon fillets from Costco or Trader Joe's often cost $7-9 per pound, making salmon accessible for regular meal prep.

Salmon Meal Prep Ideas

Salmon stores well for 3-4 days refrigerated, making it excellent for meal prep:

Sheet Pan Salmon and Vegetables

Season 4-6 salmon fillets with olive oil, garlic, lemon, and herbs. Surround with broccoli and sweet potatoes. Bake at 400F for 15-18 minutes. Provides roughly 40g protein per serving.

Salmon Rice Bowls

Bake salmon fillets, flake them, and store separately from rice. Assemble bowls with rice, salmon, edamame, avocado, and soy-ginger dressing. About 35g protein per bowl.

Canned Salmon Patties

Mix canned salmon with egg, breadcrumbs, diced onion, and seasoning. Form into patties and pan-fry. Make a batch of 8-10 patties for the week. Each patty provides roughly 12g protein.

How Much Salmon Should You Eat Per Week?

Current guidelines and considerations:

Mercury is lower in salmon compared to larger predatory fish like swordfish and king mackerel. Both wild and farmed salmon are considered "best choices" by the FDA, meaning they can be eaten 2-3 times per week without concern.

Frequently Asked Questions

Is salmon better than chicken for protein?

Chicken breast has slightly more protein per calorie (31g per 3.5 oz at 165 cal vs 25g at 208 cal for salmon). However, salmon provides omega-3 fatty acids, vitamin D, and selenium that chicken does not. For overall nutritional value, salmon wins. For pure protein efficiency on a budget, chicken wins.

How much protein is in a salmon fillet?

A typical restaurant or grocery store salmon fillet weighs 6-8 oz (170-227g) before cooking. A 6 oz fillet contains about 43g of protein; an 8 oz fillet contains about 57g.

Is smoked salmon high in protein?

Yes. Smoked salmon contains about 18g of protein per 3 oz, which is slightly lower than fresh cooked salmon because of the brining process. However, smoked salmon is high in sodium (typically 600-1,000mg per 3 oz serving), so it should be consumed in moderation.

Does cooking salmon destroy omega-3s?

Baking, grilling, and poaching preserve most omega-3 fatty acids. Frying at very high temperatures can degrade some omega-3s, but the loss is generally modest (under 15%). Avoid deep frying, which causes the most significant omega-3 degradation.

Is canned salmon as healthy as fresh?

Yes. Canned salmon retains virtually all its protein and omega-3 content. The canning process even makes the bones soft and edible, adding calcium. The main difference is texture — canned salmon is pre-cooked and flaked, while fresh salmon has a firmer texture.

Can you eat salmon skin?

Yes, salmon skin is edible and nutritious. It contains extra omega-3 fatty acids and protein. Crispy salmon skin (pan-seared or baked) is popular in many cuisines. Just ensure the salmon is from a reputable source, as contaminants tend to concentrate slightly more in the skin.

What is the healthiest way to cook salmon?

Baking at 400F for 12-15 minutes, poaching, or grilling are the healthiest methods. These preserve omega-3 content while requiring minimal or no added fat. Avoid deep frying or heavily breading salmon, which adds unnecessary calories.

Is frozen salmon as nutritious as fresh?

Yes. Flash-frozen salmon is typically frozen within hours of harvest, locking in nutrients. Studies show no significant difference in protein, omega-3, or micronutrient content between fresh and properly frozen salmon.

Log Salmon and Track Your Omega-3 Intake

Salmon is one of those foods where knowing the exact variety and portion size matters for accurate tracking. Mealift lets you log specific salmon types — Atlantic, sockeye, pink, canned — and see a full macro breakdown so you know exactly how much protein and healthy fat each serving delivers.