Formula 707 hoof health is our most intensive support for hooves needing help. Each serving of formula 707 hoof contains d-biotin (a B-vitamin vital to hoof health), DL-methionine and L-lysing (essential amino acids), plus minerals calcium, phosphorus, zinc methionine complex, and proteinated manganese and copper to maximize bio-availability. All of these nutrients are blended in a base of yeast culture, dried distillers grains and rice hulls, making hoof essentials the most balanced product of its kind. You’ll see results in just a few weeks, and dramatic improvements in just a few months. 5 lb pail.