Select MSM Joint Supplement

Select the Best® MSM horse joint supplement contains 99.8% pure methylsulfonylmethane (MSM) per 10,000 mg. It can enhance joint mobility with its anti-inflammatory properties as well as support proper amino acid production for all systems of the body. 2 lb (90-day supply).


Item # X1-22233
Dover's Price:
$ 15.95

Select the Best® MSM is 98.8% pure methylsulfonylmethane offered at an economical price. Used primarily as a horse joint supplement, this odorless, virtually tasteless white crystalline substance helps support healthy joint function, mobility and flexibility. It contains sulfur, necessary for the proper formation of proteins. Sulfur is involved in amino acid production, connective tissue, hair, hide and hooves, enzymes, hormones and immunoglobulins. Its anti-inflammatory properties can help to relieve all kinds of inflammations, swelling and pain. 2 lb (90-day supply).

Directions: Full-strength dose: one level scoop (10 grams) twice per day for one week, then continue with maintenance dose. Maintenance dose: One level scoop once per day. One scoop (enclosed) = 10 grams.

Active Ingredient: 98.8% pure MSM.

Click here for information on joint supplement ingredients.

Dover's Customer Satisfaction Guarantee

Dover Saddlery is proud to offer a 100% satisfaction guarantee on all of our products. We stand behind the quality of our products, and should you not be satisfied with your purchase, simply return it and we will refund, replace or exchange it for you.

100% Satisfaction Guaranteed - Your Money Back Any Time, for Any Reason.


Dover Saddlery understands your concerns regarding online security. We share in your concerns and therefore work hard with experts in the field to maintain a highly secure ordering environment. Along with our comment to security, we offer you a Secure Order Guarantee - this gives you 100% protection for your credit card transactions on

Our Secure Order Guarantee means that you will never have to pay any money related to unauthorized charges to your credit card account, as long as those charges are a direct result from a transaction on

How it works: If you experience credit card fraud, the Fair Credit Act specifies that your credit card company can hold you liable for no more than $50.00 in fraudulent charges to your account. Our Secure Order Guarantee will reimburse you for any amount up to $50.00 billed to you by your credit card company for unauthorized charges to your account, if those charges result from an order you placed with For this protection you must promptly notify your credit card company of fraudulent charges and follow their procedures as outlined in your credit card agreement.

Show us your equestrian style. #itsfromdover