Collagen is one of the most abundant substances in the human body, making up about a third of all the protein in your body. It is found especially in the bones, skin, muscles, and tendons but can also be found in the internal organs. Collagen provides a sturdy structure and helps to keep join …

Fish oil is high in the omega-3 fats EPA and DHA. These fatty acids may have several benefits for bodybuilders, such as  reduced muscle soreness and less severe DOMS. They may also aid muscle strength and range of motion, though more studies are needed. During or after heavy workouts, the …