Horse Guard HOOF & Hair Guard Equine HOOF Supplement and Equine Coat Supplement with Amino ACIDS, BIOTIN, METHIONINE & Soy Oil GROWS NEW HOOF STRONGER & FASTER - includes 100 mg of biotin plus methionine, zinc & amino acids. PROMOTES LONGER, THICKER MANES & TAILS - includes select aminio acids including lysine which support the structural proteins in hair making it super strong "SHINES A HORSE UP" thanks to soy protein and oil EASY TO FEED, ECONOMICAL & HIGHLY EFFECTIVE - formulated by certified equine nutritionists, Hoof & Hair Guard will make a huge difference to the look of your horses coat & the conditions of his hooves PROVIDES YOU PIECE OF MIND - We use only the highest quality (pharmaceutical) grade ingredients which are selected for their bio-availability Biotin266 mg Methionine 15,000 mg Lysine 15,000 mg Zinc 1,200 mg Glycine 8752 mg Cystine 2316 mg Phenylalanine 8733 mg Soy Oil 81,000 mg