(Med-Vet Pharmaceuticals) Senior Flex H/A offers a unique combination of ingredients for support of the senior horse. Each ounce contains 50 mg HA, 5000 mg glucosamine sulfate, 5000 mg MSM, 1200 mg Ester-C, and 5500 mg yucca to support joint integrity, freer movement, and provide anti-inflammatory properties. Senior Flex H/A contains vitamins and probiotics, which are effective nutritional aids for body condition and digestive system function. Give 1 oz. twice daily for the first 14-21 days, then reduce to 1 oz. daily for maintenance. May double amount during high level stress or working conditions. Pellets.