How to Explain https://sites.google.com/view/competition-horse-feed/ to a Five-Year-Old

https://sites.google.com/view/competition-horse-feed/

Inside the 44 lb bag, inactivated brewer's yeast and biotin at 1,185 µg back up the energy story for reining horses. Vitamin E sits at 260 mg per kg, while the bag is priced at $37.99.