Rich in heart-healthy omega-3s, salmon is a low-calorie protein source that's also low in saturated fat. The American Heart Association recommends eating at least two 3.5-ounce servings of fatty fish like Salmon every week. Salmon is packed with omega-3 fatty acids and vitamin B12 in addition to selenium and choline. It is linked to improving brain function, cognition, and neurological health. The polyunsaturated fatty acids found in salmon can help improve serum cholesterol, a key indicator of cardiovascular disease risk.