Supports Joint Function
Helps maintain the normal function of cartilage and supports mobility and flexibility.
Clinical Strength
It is supported in over 25 clinical trials by product-specific clinical data in over 7,000 patients with joint discomfort.
The Original
Dona is one of the first Glucosamine Sulfate brands introduced.
Recommended
Healthcare providers around the world recommend Dona to their patients.
Millions Sold
Dona is sold in over 60 countries around the world.
Dona® contains crystalline glucosamine sulfate, a naturally occurring substance found in cartilage to cushion joints. Dona® helps in maintaining cartilage health so that you can actively participate in daily activities such as walking, climbing stairs, etc. Dona® has been proven effective and safe in major clinical trials. It may promote cartilage health, lubricate joints, and support joint mobility and flexibility.
“We both have been taking Dona for several years. It’s helped us in our mobility.”
“My primary care physician told me years ago that Dona is the only Glucosamine that works. She was right.”
“I have used Dona tablets for years now. Took a three-month break and pain came back into me knee(s). ”