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Effectiveness of Glucosamine and Chondroitin

Initial research for these two supplements (either used together or separately) was very positive. However, later research has shed some doubt on the effectiveness of glucosamine and chondroitin. At this point, it is not entirely clear if glucosamine and chondroitin really does work for arthritis (see Does Glucosamine Work? and Does Chondroitin Work? for more information).

Dosing Information

Dietary supplements usually lack clear, evidence-based dosing information. However, the recommended dose for glucosamine and chondroitin has been clearly established.
(Click Glucosamine and Chondroitin Dosage for more information.)

Glucosamine and Chondroitin Side Effects

Most studies show that glucosamine and chondroitin is well tolerated. However, there are a few side effects that may be attributed to glucosamine and chondroitin, such as:
(Click Side Effects of Glucosamine and Chondroitin to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)

Drug Interactions

Glucosamine and chondroitin may potentially interact with some medications (see Drug Interactions With Glucosamine and Chondroitin).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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