The success of an athlete surely doesn’t come from good nutrition alone, sometimes, weightlifting supplements are necessary to make one cope with the effort and be prepared for it. Food is the main source of energy , 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 essential ingredients of most weightlifting supplements, because they directly influence the health of body vital fluids. When there is more hemoglobin in the blood, the energy level increases because the blood transports the oxygen and the nutrients to the muscles.