ConsumerLab: Quality Concerns with Joint Health Supplements

WHITE PLAINS, N.Y. ConsumerLab.com released the results of its latest round of dietary supplement testing, reporting it found several different quality problems with products marketed to address joint health in humans and companion animals. The most common problems were lead contamination, which the firm noted was likely due to glucosamine sourcing, and missing label claims on active ingredients. Testing focused on joint health dietary supplements containing glucosamine, chondroitin and/or methysulfonylmethane (MSM).

ConsumerLab does not release the names of companies or products involved in the review in its general news release; however, the reports with complete findings are available for purchase from ConsumerLab. The report on joint health supplements for humans provides findings for the 21 supplements tested, including the five that did not pass the tests; it also lists 17 additional products that passed testing under ConsumerLab.coms Voluntary Certification Program, whereby companies can pay to have their products tested by ConsumerLab. Similarly, the report on animal supplements includes information on the six products testedfour of which failed the testing, and 10 tested under the Voluntary Certification Program.