30 Day Supply</br>60 Caplets</br>750mg Glucosamine Sulfate in each caplet</br>Proven effective in landmark 3 year studies</br>Clinically shown to maintain and rebuild joint health</br></br>Product Description</br></br>DONA is the Original and Only Glucosamine Sulfate that has been investigated in more than 150 pre-clinical and clinical studies?? and to which over 90% of the scientific literature refers.</br><br/>http://www.amazon.com/gp/product/B001QEWKLQ