Scientifically formulated concentrated powder hoof supplement for horses. Based on research demonstrating beneficial effects of biotin-based supplement on hoof condition by reducing incidence and severity of horn defects, increasing tensile strength and improving white line condition. Study emphasized benefits of supplementation for over 90 days to improve hoof growth. With copper to improve hoof structure and hair coat; iodine, an important mineral for hoof growth and strength; lysine, the most important amino acid affecting protein utilization for hoof growth; methionine, an essential amino acid containing sulfur required for hoof growth; and probiotics for B-vitamin uptake.?Each scoop contains min 2,000 mg lysine, min 1,800 mg methionine, min 250 mg zinc, min 30 mg biotin, min 25 mg copper, min 10 mg riboflavin, min 5 mg folic acid, min 1 mg iodine, 113,000 CFU lactobacillus acidophilus, 113,000 CFU bifidobacterium thermophilum and 113,000 CFU enterococcus faecium.