Diet is not everything for an athlete, sometimes, the energy demands are so high, that weightlifting supplements become necessary to make the body cope with the effort. Nutritional substances are normally taken from food , but supplements can complete a faulty diet for instance. Professional weightlifters often try to compensate their energy need with ready-made weightlifting supplements, because they are easy to use and the effects are noticeable right away. Chromium picolinate, fatty acids and vitamin C are the ingredient formula of most weightlifting supplements, because they directly influence the health of body vital fluids. Blood, or more precisely hemoglobin, equals a good energy level as it transports the nutrients and oxygen to the muscles.