AMD by Seroyal Genestra is a mineral supplement for total body health containing vitamin C. iodine. zinc. apple pectin. selenium. l-cystine and l-methionine. Both selenium and iodine are noted for their beneficial effect on thyroid health. Selenium on its own improves both mood and brain function. Vitamin C is well-documented to be a key component of a healthy immune system and the production of collagen. a protein used for the development of skin and tissue.