Fish oil benefits are not limited to specific fields like cosmetics and constituents of a product. When it comes to health the benefits of this fish oil is uncountable. Among all the natural food products the fish oil is proved to be the best in helping the living species to maintain their health. Some of the notable fish oil benefits are body building, increasing the brain activity, metal fitness, skin care, blood pressure reduction and maintaining, and heart health. It also acts as an antioxidant and helps in removing toxic substance from the body. Fatty predatory fish like sharks, sword fish, tilefish, and albacore tuna may be high in omega-3 fatty acids, but due to their position at the top of the food chain, these species can also accumulate toxic substances On the whole the fish oil has the ability to co-ordinate all the body functions and maintaining hormone levels. When the fish oil is over consumed it can produce side effect to the body, however, they are negligible in many cases.