Select the Best(R) MSM Joint Support If you are looking to develop joint mobility, flexibility and elasticity in your horse, Select The Best(R) MSM is an ideal formula for daily administration. MSM (Methylsulfonyl methane) supports healthy joint function, with amazing anti-inflammatory properties that help to relieve your horse from all kinds of inflammations, swelling, and pain. Features: 99. 8% pure MSM Anti-inflammatory properties Enhances joint mobility Item Specifications: Sizes: 1 lb. 2 lb. 4 lb. 10 lb. Ingredients per 10g: (MSM): 10, 000mg (99. 8%) Pure Directions for Use: Included scoop equals 10g. Loading: Administer 20g per day for one week. Maintenance: Administer 10g per day. Can be given during or after meal time.