Dietary Supplement. Methyl-sulfonyl-methane. Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs. Suitable for vegetarians/vegans. Isura: Non-GMO. Mass spec. Documentation. Lab tested. 100% pure. Healthy joint function. 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. Purity & potency guaranteed. Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada. Recyclable container and label. (This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.) Product of Canada.