Equimins Hoof Mender 3kg. Equimins Hoof Mender is a high quality hoof care supplement that encourages the growth of healthy hooves. Equimins Hoof Mender provieds 75mg of Biotin per day along with 3900mg Zinc, Methionate and 1260mg MSM. Hoof Mender also contains a wide spectrum of vitamins and minerals to encourage strong Keratin growth in the hoof. 3kg will last approximately 50 days.