Trout
Food · Protein · Food, Typed Supps
Trout is a mild, easy-to-cook fish loaded with protein, vitamin D, and heart-friendly fats.
Stage by stage
- Chewing & Breakdown (Mouth & Esophagus): Chewing breaks trout's flaky flesh into pieces small enough to swallow, and stomach acid begins denaturing its protein.
- Stomach Digestion (Stomach): Pepsin and gastric lipase start digesting trout's protein and fat in the stomach.
- Nutrient Absorption (Small Intestine): In the small intestine, enzymes finish breaking protein into amino acids and release omega-3 fatty acids for absorption.
- Tissue Delivery (Bloodstream & Muscle): Amino acids travel to muscles for repair and growth while omega-3s and vitamin D circulate to the brain, heart, and bones.
Timing
Trout's fat-soluble nutrients, including vitamin D and omega-3s, absorb best when eaten as part of a meal that includes a little added fat, such as olive oil, rather than on an empty stomach.
Time to effect
- Weeks: Amino acids from trout reach muscle tissue within hours of a meal, but measurable improvements in blood omega-3 status generally take several weeks of eating trout two or more times a week.
Allergens
Contains: Fish. Derived from what this food is, not from a product label.
Eating patterns
Fits: Pescatarian, Kosher, Keto, Gluten-free. Depends on the product: Halal, Low-FODMAP.
Satiety
153 on the satiety index, where white bread is 100 — high. Modelled from the Holt et al. (1995) measurements.
Environmental footprint
13.6 kg CO2e and 3691 litres of freshwater per kg, matched to "Fish (farmed)" in Poore & Nemecek (2018), Science 360.
Cost band
Mid — roughly £11 per kg, as a band midpoint rather than a price.
Key nutrients
Nutrition per 100g
- Calories: 154.2
- Protein: 19.6g
- Carbohydrate: 0g
- of which sugars: 0g
- Fat: 8.4g
- of which saturated: 2.5g
- Fibre: 0g
- Sodium: 70mg
Food vs. supplement
Whole trout provides protein, vitamin D, B12, and omega-3 fats together in one food matrix, a combination fish-oil capsules alone don't replicate.
Kitchen tip
Cook trout skin-on at moderate heat — baking, poaching, or pan-searing — to an internal temperature of about 145°F, which helps retain moisture and its omega-3 fats.
Common myth
"Farmed trout is a low-quality, contaminated fish compared to wild-caught." In reality: Farmed and wild rainbow trout show similarly low mercury and PCB levels, both sit near the bottom of the FDA/EPA mercury scale in the "Best Choices" category, and farmed trout remains a nutrient-dense source of complete protein, vitamin D, and omega-3s.
Recipes that use it
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