Chromium is a trace mineral needed for normal growth and development it plays a role in the release of energy from cells and is involved in fat and glucose metabolismwhere is it found the best source of chromium is true brewers yeast nutritional yeast and torula yeast do not contain significant amounts of chromium and are not suitable substitutes for brewers yeast chromium is also found in grains and cereals though much of it is lost when these foods are refined some brands of beer cont