Atlantic Salmon vs Tuna
Side-by-side nutritional swap analysis for standard 100g reference portions.
💡 Swap Takeaway & Calorie Ratio
Eating 100g of Atlantic Salmon (206 kcal) provides the same calorie intake as eating 158g of Tuna. Tuna is 76 kcal lighter per 100g than Atlantic Salmon.
🔬 Comparative Science: Atlantic Salmon vs. Tuna
1. Caloric Density & Satiety Volume Mechanics
Comparing 100g of Atlantic Salmon (206 kcal) to 100g of Tuna (130 kcal) reveals a caloric spread of 76 kcal per 100g. Swapping higher-density Atlantic Salmon for lower-density Tuna allows you to increase physical meal volume by 58% for the exact same calorie expenditure, activating gastric mechanoreceptors and stimulating fullness hormones peptide YY (PYY) and GLP-1.
2. Macronutrient & Protein Quality Trade-offs
Atlantic Salmon delivers 22.1g protein, 0g carbs, and 12.3g fat, whereas Tuna supplies 29.9g protein, 0g carbs, and 1g fat.Tuna delivers 7.8g more protein per 100g, making it the more anabolic choice for tissue repair and nitrogen retention.
3. 5-Pillar Biohack & Longevity Score Comparison
Atlantic Salmon leads in cognitive support: Concentrated EPA/DHA omega-3s cross the blood-brain barrier to optimize neural cell membrane fluidity.
Tuna leads in muscle recovery: Ultra-lean, dense protein source (28g/100g) packed with selenium.
Atlantic Salmon leads in digestive motility: Zero dietary fiber, but marine omega-3s help reduce intestinal mucosal inflammation.
Atlantic Salmon leads in cardiovascular support: Clinical trials show EPA/DHA reduces triglycerides, lowers resting blood pressure, and improves arterial elasticity.
Tuna leads in metabolic speed: Zero carbs and high protein thermogenesis support metabolic efficiency.
4. Which Food Should You Choose? Decision Matrix
- For Fat Loss & Caloric Deficit: Choose Tuna (130 kcal/100g) to maximize plate volume and extend satiety without exceeding caloric allotments.
- For Muscle Growth & Strength: Choose Tuna (29.9g protein/100g) to hit your essential amino acid targets efficiently.
- For Keto or Low-Carb Diets: Choose Atlantic Salmon (0g carbs/100g) to maintain low baseline insulin secretion.
- For Longevity & Cellular Antioxidants: Review the higher 5-pillar biohack score above to target your personal longevity priority (mitochondrial health, cognitive resilience, or endothelial nitric oxide).
5. Practical Culinary Substitution Guidelines
When substituting Tuna for Atlantic Salmon in meal prep, serve exactly 158 grams of Tuna to match the energy yield of 100g of Atlantic Salmon. Consider moisture, texture, and sodium content when balancing recipes.
📊 Nutritional Matrix (Per 100g Reference Portion)
| Nutritional Metric | Atlantic Salmon | Tuna |
|---|---|---|
| Calories (kcal) | 206 kcal | 130 kcal |
| Protein (g) | 22.1 g | 29.9 g |
| Total Fat (g) | 12.3 g | 1 g |
| Carbohydrates (g) | 0 g | 0 g |
| Primary Category | Proteins | Proteins |
Atlantic Salmon
🧬 Key Micronutrients
Tuna
🧬 Key Micronutrients
❓ Frequently Asked Questions (Atlantic Salmon vs Tuna)
How much Tuna equals 100g of Atlantic Salmon?
Exactly 158 grams of Tuna equals the total caloric value of 100g of Atlantic Salmon (206 kcal).
Which food is lower in calories: Atlantic Salmon or Tuna?
Tuna is lower in calories with 130 kcal per 100g compared to Atlantic Salmon with 206 kcal per 100g.
Which has more protein: Atlantic Salmon or Tuna?
Tuna provides more protein per 100g (29.9g vs 22.1g).
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