A dietary supplement is intended to provide nutrients that may otherwise not be consumed in sufficient quantities. Supplements as generally understood include vitamins, minerals, fiber, fatty acids, Or amino acids, among other substances. U.S. authorities define dietary supplements as foods, while elsewhere they may be classified as drugs or other products.
Bodybuilding supplements are dietary supplements commonly used by those involved in bodybuilding and athletics. Bodybuilding supplements may be used to replace meals, enhance weight gain, promote weight loss or improve athletic performance. Among the most widely used are vitamin supplements, Protein drinks, BCAA, glutamine, essential fatty acids, meal replacement products, creatine, and weight loss product and testosterone boosters. Supplements are sold either as single ingredient preparations or in the form of “stacks” – proprietary blends of various supplements marketed as offering synergistic advantages. While many bodybuilding supplements are also consumed by the general public their frequency of use may differ when used specifically by bodybuilders.
More than half of all North Americans and around 30% Asians take one or more dietary supplements daily or on occasion. Common supplements include vitamins, minerals, herb (botanicals) and fatty acid. People take these supplements to make sure they get enough essential nutrients and to maintain or improve their health.