Excellent supplement for all reproductive disorders. Should also be taken at the first onset of a cold. Zinc deficiency interferes with taste buds and the ability to smell, so should be taken if you have a poor sense of smell or taste. Zinc is also vital for a healthy reproductive system. I capsule contains: Zinc (citrate) - 50 mg. Copper (sulfate) 1.5 mg. Dose: 1-2 caps a day.