99.8% pure MSM for healthy joint support and improved blood circulation in all horses. Cost effective, granule supplement helps absorb other joint products and provides maximum effectiveness of bio-available sulfur. Digests quickly. Each scoop contains 10,000 mg MSM. Dosage: Loading - 2 scoops daily for 1 wk; Maintenance - 1 scoop daily. 10 gm scoop included. 2 lbs = 92-day supply for one horse at maintenance dose. Safe use in pregnant animals or animals intended for breeding has not been proven.