Chromium is one of the essential trace elements for both humans and animals and it plays an important role in many physiological functions in vivo. The biochemical effect of chromium is mainly as an enhancer of insulin which affects the metabolism of sugar, protein, fat, and nucleic acid in the human body. Chromium shows many nutritional and physiological functions as reducing lipid deposition in adipose tissues, increasing intramuscular fat deposition as well as increasing lean rate in body. Chromium (III) is an important component of the glucose tolerance factor

Vitamin C and vitamin E are important antioxidants in human body. They can cooperate with each other in the body to generate synergy function.