Pure methylsulfonylmethane, the primary metabolite of DMSO is a true source of sulfur. Odorless, white crystalline granules that are easy-to-give. Premium quality, ultra-pure MSM. Research has shown MSM’s importance as a dietary source of sulfur. Sulfur from methylsulfonylmethane is used in the formation of numerous protein-rich structures in the body. For horses, dogs, and cats. A Natural Sulfur Nutrient Vita Flex MSM is ultra pure methylsulfonylmethane, a natural source of sulfur. Methylsufonylmethane is also the primary metabolite of DMSO (dimethylsulfoxide). The majority of DMSO absorbed by the horse’s tissues is oxidized to form MSM. A form of organic sulfur found in all living organisms, methylsulfonylmethane is a bioavailable source of sulfur, an essential mineral. Pure MSM is an odorless, white crystalline powder that is easy to give to horses. Success With MSM For Horses MSM has been used by veterinarians and horse owners for fifteen years and is widely acclaimed for its contribution to equine health care. MSM contributes sulfur to the disulfide bonds that are essential for the proper conformation of hair, horn and connective tissue proteins, such as collagen. Even hormones and antibodies receive sulfur from MSM. Active Ingredient per 1/3 ounce: Methylsulfonylmethane (MSM) (99.8% pure) 9,430 mg Directions for Use:Enclosed scoop holds 1/3 ounce.Canine and feline: Give recommended level twice daily for the first 7 days, reduce to once daily for maintenance. Add to food dry or dissolve in lukewarm water first. Â¼ teaspoon = 1 gram MSMUp to 45 lbs. body weight: Â¼ tsp45 to 90 lbs. body weight: Â½ tspAbove 90 pounds: Â¾ tspEquine: Give one scoop (1/3 ounce by weight) twice daily for the first 7 days. Give one scoop thereafter for daily maintenance, or as directed by veterinarian. Increase supplementation of large breeds proportionately according to body weight in excess of 1,000 pounds. Store in a cool, dry place. Reseal after each use. Cautions:Safe use in pregnant animals or animals intended for breeding has not been proven.If animal’s condition worsens or does not improve, stop product administration and consult your veterinarian.For use in equines, canines and felines only.