Chromium occurs in any oxidation state from -2 to 6. Trivalent chromium is the biologically active form, while hexavalent chromium is potentially toxic to humans. GTF chromium is essential in helping regulate carbohydrate metabolism by improving the uptake of glucose into the cells so it can be metabolized to produce energy. It consists of chromium in the trivalent state nicotinic acid, and the three amino acids glycine, glutamic acid and cysteine... Full Text