Glucosamine and chondroitin are supplements that are commonly taken to improve joint function. Glucosamine ranks as one of the most commonly taken non-vitamin supplements in Western nations, where it is consumed mainly amongst the elderly and athletes. The prevalence of use has been estimated to be around 7 % in persons aged 57 to 85 years of age. Many studies have shown that taking glucosamine and chondroitin is associated with improved joint function. However, while glucosamine and chondroitin have been well researched in relation to their beneficial effects on joints, little is known about their other effects in humans. Of interest, glucosamine and chondroitin are associated with a 17 % reduction in total mortality1. This is likely linked to their anti‑inflammatory effects, as similar reductions in mortality are seen in some studies with aspirin use.
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