Zinc gluconate is an organic zinc supplement with fewer side effects than zinc sulfate and better absorption as well. It has certain efficacy on the treatment of zinc deficiency caused growth retardation, malnutrition, anorexia, recurrent oral ulcers, acne and senile zinc deficiency as well as immune dysfunction. It is mainly absorbed in the small intestine after oral administration with 1h reaching the peak but declining at about 2h. In the body, it is widely distributed in the liver, intestine, spleen, pancreas, heart, kidney, lung, muscle, central nervous system and bone. It is mainly excreted by the feces with a small amount excreted through the urine and milk. The bioavailability of it is about 1.6 times as high as that of zinc sulfate.