Equine Hoof Guard Concentrated Hoof Supplement for Horses with Biotin, Msm, Methionine and Zinc GROWS NEW HOOF STRONGER & FASTER - includes 32 mg of biotin in only 2 ounces plus methionine, zine & MSM MORE EFFECTIVE THAN OTHERS THANKS TO REVELOUTIONARY FORMULATION - Features MSM to provide extra help to the structural proteins of the hoof. EASY TO FEED, ECONOMICAL & HIGHLY CONCENTRATED - features two to three times the biotin of competing products in only a 2 ounce dose PROVIDES YOU PIECE OF MIND - We use only the highest quality (pharmaceutical) grade ingredients which are selected for their bio-availability SUPPORTS AMERICA - Made in Oregon, USA! <span class="a-text-bold">Methionine</span> An essential sulfur containing amino acid that is crucial for hoof and hair protein. It works synergistically with the other hoof nutrients to help deliver protein for healthy hoof growth. <span class="a-text-bold">Zinc Proteinate</span> Aids greatly in improving hoof strength and resistance to cracks. <span class="a-text-bold">MSM</span> Horse Guards line of hoof supplements (including Biotin Hoof Blast) are the only hoof supplements on the market that include MSM. MSM provides the basis for structural proteins to aid in contributing to stout, flexible hooves. <span class="a-text-bold">Protein</span> Equine Hoof Guard is in a soybean base that helps provide healthy strong hooves and a shiny coat. Biotin-256 mg MSM-20,000 mg Methionine- 20,000 mg Zinc-1,200 mg