DONA™ is the original Crystalline Glucosamine Sulfate, which was first developed and marketed for human use by Rotta Research Laboratorium.

Crystalline Glucosamine Sulfate is the derivative of the naturally occurring amino-sugar Glucosamine and is a chemically well defined and pure substance. This compound has been thoroughly studied and shown effective to promote cartilage metabolism, protect joint structure and support joint mobility.Although sold as a dietary supplement in the United States, Glucosamine Sulfate is subject to regulation as a drug throughout much of Europe.

DONA™ is the only Glucosamine Sulfate for sale in the United States that has been approved for sale in Europe and in other countries.

DONA™ meets these requirements:

• Its safety and efficacy is supported by numerous clinical trials, that were conducted in accordance with Good Clinical Practices.
• It is manufactured in accordance with the European and United States Good Manufacturing Practices.

In the past ten years, millions of people, in more than 60 countries around the world, have benefited from the use of the Glucosamine Sulfate in DONA™.