Glucosamine

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    Last Updated: October 24, 2023

    Glucosamine is a supplement obtained from the shell of shellfish that may slightly delay the progression of knee osteoarthritis and collagen degradation.

    Overview

    Dosage information

    Glucosamine sulfate is typically taken as a 500 mg dose three times a day with food.[1]

    The benefits of glucosamine are dose-dependent, and some studies on athletes used up to 2,000–3,000 mg a day, taken in divided doses.[2]

    Glucosamine sulfate salts are usually taken as a one-a-day dose of 1500 mg glucosamine.[3]

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