NAF Five Star PROFEET 1. 3kg. NAF Five Star PROFEET offers nutritional support for quality hoof growth and protection against cracked, brittle hooves. PROFEET provides the recommended levels of biotin combined with other key nutrients such as methionine, bio-available sulphur, zinc and complex vitamins and minerals for healthy horn growth. PROFEET also provides a naturally sourced antioxidant complex that supports the liver and flushes away excess toxins to clear the horse's system and promote a shiny coat and strong, healthy hooves. Read more… NAF Five Star PROFEET should be fed when recommended by a farrier or when compromised hoof health is evident. 1. 3kg fed at maintenance rate will last approximately 39 days.