Taken to?help with dysfunctions of the thyroid and endocrine glands, Unda’s Gammadyn Zn-Cu is a homeopathic supplement comprised of zinc and copper. Both trace elements are closely involved in the regulation of endocrine function and steroid secretion. They also affect the release of histamines in the brain, giving them a significant role in neurological behavior. Together, they are used to help with depression, menopausal symptoms, hypothyroidism, hormonal disorders, inflammatory disorders and disturbances in growth.