NAF Pro Feet PowderNAF Pro Feet Powder PROFEET supplements are unique in that they not only provide nutrients to directly support hoof health, they also provide nutritional support that helps target healthy liver function, which, in turn is fundamental to healthy hoof growth. Biotin is combined with a rich sulphur complex of methionine, cysteine and MSM, minerals including calcium and zinc, and a broad spectrum of naturally sourced amino acids and essential fatty acids.