A concentrated supply of Vitamin C, an important anti-stress nutrient and crucial cofactor in connective tissue maintenance, repair, immune function and hundreds of other physiological processes. Vitamin C has been called "the workhorse of the vitamins." Pure C is 98% ascorbic acid - its' the most economical way to give your horse this vital nutrient. A great complement to Vita-Flexฎ MSM, chondroitin sulfates. Nutraguard or vitamin E. Feed 1/4 oz daily for maintenance of 1/4 oz twice daily during periods of illness or extreme stress. 1/4 oz scoop included.