Hygain Gleam Hoof and Coat Conditioner is a palatable blend of biotin, zinc, amino acids, soya bean meal and essential fatty acids to support healthy hooves, skin and coats. Biotin and Methionine (an amino acid) work together to stimulate the production of keratin, resulting in smooth soft coats and improvements in hoof quality, while zinc is included to improve the health and integrity of the hair, skin, hooves and immune system.