This is a 80 day supply for your horse. You will feed an ounce a day on top of the feed. When you buy 4 the fifth one is FREE

Supports healthy joint function and connective tissues in all classes of horses
Highly palatable Alfalfa-based powder
Contains beneficial amounts of Chondroitin, Glucosamine, MSM and HA
Economically-priced
Convenient Refill Bags Environmentally Friendly
100% Money-Back Guarantee