Trout is the freshwater cousin of salmon, sharing many of the same nutritional virtues while offering a milder, more delicate flavor that appeals to people who find salmon too assertive. At 190 kcal per 100 g with 20.5 g of protein and 11.5 g of fat, rainbow trout delivers a rich supply of omega-3 fatty acids and fat-soluble vitamins. Farmed trout is also one of the most environmentally responsible fish choices — land-based recirculating systems produce virtually zero bycatch and minimal habitat disruption.
Vitamin B12 is outstanding at 4.45 mcg per 100 g — 185% of the Daily Value — essential for myelin synthesis, red blood cell maturation, and preventing pernicious anemia. Vitamin D (15.9 mcg, over 100% DV) is exceptional, providing a full day's requirement in a single serving and making trout one of the best dietary sources of this sunshine vitamin that so many people lack. Niacin (5.38 mg) and vitamin B6 (0.41 mg) support energy metabolism and neurotransmitter production. Pantothenic acid (0.91 mg) feeds the coenzyme A pathway, and riboflavin (0.33 mg) powers flavin-dependent enzymes in the electron transport chain. Phosphorus (271 mg) is notably high, supporting bone mineralization and ATP energy storage, while potassium (361 mg) regulates blood pressure and muscle contraction. Iron (1.97 mg) in heme form is among the highest for any fish, making trout valuable for preventing iron deficiency. Manganese (0.85 mg, 37% DV) is unusually high for an animal protein, supporting bone formation, blood clotting, and antioxidant superoxide dismutase. Magnesium (31 mg), zinc (1.08 mg), selenium (12.6 mcg), and thiamin (0.12 mg) complete the mineral and vitamin profile. Cholesterol is a moderate 58 mg.
Whole trout is one of the simplest and most rewarding fish to cook at home. Stuff the cavity with lemon slices, fresh herbs (dill, parsley, and thyme are classic), and a clove of garlic, then roast at 200 °C (400 °F) for 20-25 minutes until the flesh flakes easily. The skin crisps beautifully and is completely edible — packed with additional omega-3s. For fillets, pan-fry skin-side down in butter over medium-high heat for 3-4 minutes, flip gently, and cook for 2 more minutes. Trout is done when it turns from translucent to opaque and flakes at the thickest point. Smoked trout is an extraordinary pantry item — flake it into salads, fold into cream cheese for a spread, or toss with hot pasta, lemon zest, and capers. Trout pairs beautifully with almonds (truite aux amandes is a French classic), brown butter, horseradish cream, and fresh dill. Store fresh trout in the coldest part of the refrigerator and cook within one to two days of purchase for optimal flavor.
| Nutrient | Per 100 g | Per serving |
|---|---|---|
| Calories | 190 kcal | 302 kcal |
| Protein | 20.5 g | 32.6 g |
| Fat | 11.5 g | 18.3 g |
| Carbohydrates | 0 g | 0.0 g |
| Fiber | 0 g | 0.0 g |
| Sugar | 0 g | 0.0 g |
| Water | 67.7 g | 107.6 g |
| Vitamins & Minerals | ||
| Vitamin B12 | 4.45 µg | 185% |
| Vitamin D | 15.9 µg | 80% |
| Niacin (B3) | 5.38 mg | 34% |
| Vitamin B6 | 0.41 mg | 24% |
| Riboflavin (B2) | 0.33 mg | 25% |
| Thiamin (B1) | 0.12 mg | 10% |
| Pantothenic Acid (B5) | 0.91 mg | 18% |
| Selenium | 12.6 µg | 23% |
| Phosphorus | 271 mg | 22% |
| Potassium | 361 mg | 8% |
| Magnesium | 31 mg | 7% |
| Iron | 1.97 mg | 11% |
| Zinc | 1.08 mg | 10% |
| Manganese | 0.85 mg | 37% |
| Cholesterol | 58 mg | 19% |
| Serving | Calories | Protein | Fat | Carbohydrates |
|---|---|---|---|---|
| 100 g | 190 kcal | 20.5 g | 11.5 g | 0 g |
| 1 fillet (159 g) | 302 kcal | 32.6 g | 18.3 g | 0.0 g |
| Palm-size (85 g) | 162 kcal | 17.4 g | 9.8 g | 0.0 g |
| Food | Calories | Protein | Fat | Carbohydrates |
|---|---|---|---|---|
| Trout | 190 kcal | 20.5 g | 11.5 g | 0 g |
| Cod | 82 kcal | 17.8 g | 0.7 g | 0 g |
| Shrimp | 99 kcal | 24 g | 0.3 g | 0.2 g |
| Tuna | 132 kcal | 28.2 g | 1.3 g | 0 g |
| Herring | 158 kcal | 18 g | 9 g | 0 g |
Use our calorie calculator to find your daily calorie needs.