Nine joint health supplements fail ConsumerLab.com quality review -- Lead contamination, missing ingredients and other problems found in supplements for people as well as for dogs, cats and horses; Many others approved
ConsumerLab.com reports largest test of CoQ10 and ubiquinol supplements -- Most supplements provide claimed ingredient, but large variation in dosage and forms may confuse consumers. ConsumerLab.com provides guidance.
Tests of zinc supplements by ConsumerLab.com show only some provide dosage proven to shorten colds, reduce eye disease. Lead contamination found in one product.
Many arthritis supplements lack key listed ingredient — ConsumerLab.com finds chondroitin missing or low in eight supplements; Glucosamine and MSM also tested
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