Natural Factors, MSM, 1,000 mg, 90 Tablets

Dietary Supplement100% PureHealthy Joint FunctionOptiMSM®Purity & Potency Guaranteed Methyl-sulfonyl-methane (MSM) is a naturally occurring substance known for its diverse health benefits, including support for healthy hair, skin, nails, and joints. Supplementation of MSM is a safe and natural way to optimize your health. Isura™: Non-GMO: Documentation ? Mass Spec: Lab Tested ?