Pure vitamin C: Enhanced antioxidant and connective tissue nutrition, in an affordable, easy-to-feed supplement. Although in horses vitamin C is produced in the liver, optimum health during periods of stress, intensive exercise, illness or injury may require more vitamin C than the body can produce. Vitamin C, sometimes called the workhorse of the vitamins, is required in hundreds of metabolic processes. Vita-Flex Pure C contains only premium grade, very palatable pure ascorbic acid, for maximum flexibility and value. Pure C is the most economical, most effective way to enhance horses' diets with the benefits of vitamin C. Recommended Feeding: For general maintenance, feed 1/4 ounce (1 scoop) daily. During periods of stress, feed 1/2 to 3/4 ounce daily (1 to 1 1/2 scoops twice a day). 1/4 ounce scoop enclosed.