Question

Glucosamine

How much glucosamine supplement should I take?

A Answers (3)

  • Adults (18 years and older):
    • In most available studies, 500 milligrams of glucosamine sulfate has been taken by mouth as tablets or capsules three times daily for 30 to 90 days. Once daily dosing as 1.5 grams (1,500 milligrams) has also been used. Limited research has used 1,500 milligrams daily as a crystalline powder for oral solution or 500 milligrams of glucosamine hydrochloride three times daily. Dosing of 20 milligrams per kilogram of body weight daily has also been recommended in some publications. One study used a dose of 2,000 milligrams per day for 12 weeks.
    • Another kind of glucosamine that has been used is a topical form in combination with chondroitin for a four-week period. Safety and effectiveness of these formulations are not clearly proven.
    • Glucosamine hydrochloride provides more glucosamine than glucosamine sulfate, although this difference likely does not matter when products are prepared to provide a total of 500 milligrams of glucosamine per tablet.

    You should read product labels, and discuss all therapies with a qualified healthcare provider. Natural Standard information does not constitute medical advice, diagnosis, or treatment.



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  • AMarjorie Nolan Cohn, Nutrition & Dietetics, answered on behalf of Academy of Nutrition and Dietetics
    The body naturally manufactures glucosamine and chondroitin, both of which promote joint health and support healthy joint movement. Glucosamine is thought to promote the formation and repair of cartilage while it is believed that chondroitin helps prevent the breakdown of cartilage. Glucosamine supplements are derived from shellfish shells; chondroitin supplements are generally made from cow cartilage. Because binge eaters have an added risk of joint damage from carrying excess weight, glucosamine chondroitin can be taken to restore joint health and to prevent further damage.

    Take as recommended on package with food/meal. Different brands and types vary in dosage and number of capsules or pills.
  • ARealAge answered
    The best dose of glucosamine is not known. Most research studies have used doses of 1,200 to 1,500 mg per day, usually in two or three separate doses. Because supplement manufacture is more loosely regulated than drug manufacture and producers voluntarily follow good manufacturing practices, purchase glucosamine from a reputable supplier.
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What should I know before using glucosamine?