Loading... Please wait...

For over a decade, millions of people, in more than 60 countries around the world, have benefited from DONA™. DONA™ contains the ORIGINAL Crystalline Glucosamine Sulfate that has been thoroughly studied and shown effective to promote cartilage metabolism, protect joint structure and support joint mobility. DONA™ once-a-day dosage offers the more convenient, easy to remember regimen for maintaining joint health.




* Philadelphia, Pennsylvania, October 29 - November 2, 2000
DONA™: studies presented at American College of Reumatology 64th meeting


* November 2, 2000

Rotta's glucosamine prevents damage in OA


* November 2, 2000
Clinical study confirms previous results of Glucosamine Sulfate on joint health


* August 7, 2000
Rotta Research Laboratorium announces agreement with Forest Laboratories for license of Dexloxiglumide


* November 15, 1999
Glucosamine Sulfate Reduces Progression of Knee Osteoarthritis