We address a topic of broad interest to athletes who practice sports strength - strength, namely that of nutritional supplements. We analyze the most effective of them, hoping that you can get information so I can do about these products for you. There are many discussions in the halls about supplements, and yet ignorant enough to confuse them with medication type doping. Be aware that nutritional supplements may be marketed without approval of the Ministry of Health, they are 100% natural and none of them are on the IOC doping list (International Olympic Committee).