Every ounce delivers 20 mg of biotin, 1800 mg of methionine, 1500 mg of sulfur, 1500 mg lysine, plus vitamin B6, silicone, chelated zinc, chelated manganese and a 7 culture probiotic complex. Many farriers say HT-20 is the best biotin.

• Contains high levels of the amino acids methionine and lysine, which must be present for biotin to do its job
• Includes three bioavailable chelated trace minerals-zinc, copper, and manganese, plus silicon
• Each ounce also supplies 300 mg of cystine, Vitamin B6 and a six-culture microbial complex to aid digestion
• Blended with natural alfalfa meal, active dry yeast and corn oil, Master's Hoof Blend is a delicious addition to your horses daily feed
• Concentrated formula