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.
- Sold in over 60 Countries as a Prescription.
- Recommended by healthcare providers.
- Over-the-counter in the USA.
- Millions sold around the world.
- Shown effective in two 3-year controlled clinical studies.*
- Helps maintain the normal function of cartilage.*
- Supports healthy joint function.*
- Supports joint mobility and flexibility.*
- Clinical strength.*
Main Ingredients
Each Serving (2 Caplets) Contains:
Recommended Doses
- Take two caplets together daily with water or juice.
- Due to its mechanism of action, it may take 1-2 weeks, or possibly longer, to notice any effects. Optimal effects on joint health have been observed after 12 weeks of daily administration. *
Cautions
Store in a cool, dry place. Keep out of the reach of children. As with any nutritional product, please consult your physician before taking. If you are pregnant or breast-feeding, ask you Doctor before taking. Use only as directed. Results May Vary. Glucosamine is derived from shellfish; if you are allergic to shellfish, please consult your doctor before taking.
Glucosamine is a natural sugar made by the body and is responsible for the maintenance and synthesis of cartilage. Cartilage is present between joints and acts as a cushion between the joint bones, to maintain joint comfort and mobility. Glucosamine is found in the synovial fluid and helps keep your joints mobile. Glucosamine serves as a building block for glycosaminoglycans, which are important for cartilage formation.
Glycosaminoglycans are long sugar chains that form the main part of tissues rich in collagen, such as cartilages, bones, connective tissue, and the joint fluid (synovial fluid) – which together form the cartilage matrix. When glycosaminoglycans chains bind to protein, a space is created in the cartilage that, on compression, expands once again. This action is important for smooth joint movement. Proteoglycans, on the other hand, give the collagen tissues much-needed structure and flexibility. The cartilage matrix acts as a shock absorber between two parts of a joint. With joint issues, proteoglycan deficiency (which can occur as a part of aging) reduces the joint cavity spaces and make the joints thinner and less resilient, leading to lowered joint comfort. Since glucosamine plays a vital role in synthesizing the cartilage matrix, research suggests that supplemental glucosamine may help in maintaining joint comfort while supporting functionality. There are two forms of glucosamine, namely glucosamine sulfate and glucosamine hydrochloride. Glucosamine supplements are most commonly made from shellfish, like crabs, lobsters, and shrimp. These supplements are commonly available in three forms: powder, tablets, and capsules.
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