Weight gain supplements are the part of nutritional health supplements, natural health supplements and protein supplements. Weight gain supplements are protein rich foods and are used for rapid weight gain. Weight gain supplements are also an essential for body growth, movement, thinking, tissue mending, gain muscle mass, build muscle mass and other bodily functions. Weight gain supplements are taken by athletes and weight trainer for the purpose of their body growth, upholding strength and energy. Weight gainers improve sports act and muscle recovery from work out and exercise.