Chromium is a mineral that humans require in trace amounts, although its mechanisms of action in the body and the amounts needed for optimal health are not well defined. Chromium Supplement are used to prevent or treat chromium deficiency. The body needs chromium for normal growth and health. For patients who are unable to get enough chromium in their regular diet or who have a need for more chromium, chromium supplements may be necessary. Chromium is a mineral our bodies use in small amounts for normal body functions, such as digesting food.