Horses need both fat-soluble and water-soluble vitamins for normal growth and metabolism. Fat-soluble (dissolve in fat) vitamins include vitamins A, D, E, and K, while water-soluble v(dissolve in water) vitamins include vitamin C and the B vitamin group—thiamin (B1), riboflavin (B2), niacin (B3), folacin (B9), pantothenic acid (B5), biotin (B6), and cobalamin (B12). The more … Continue reading What vitamins do horses need?