What are the main nutrients in fish?

Fish are very high in protein and low in fat. It's one of the best ways to get protein in your diet without all the fat like in other meat sources.

Fish are an Excellent source of high-quality proteins with sufficient amount of all the essential amino acids. Fats in fish are less saturated which is great if your on a diet. The most prominent fats in fish are omega-3 fatty acids. Fish oil is also one of the few natural food sources of vitamin D.