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. DONA® can be taken with water or juice, with or without food and even in the morning or at night.
DONA® is the original Crystalline Glucosamine Sulfate that has been shown effective in clinical studies to help maintain the normal function of cartilage, while supporting healthy joint function, mobility, and flexibility.