About the product
- ProThera and Klaire Labs have unified under the Klaire Labs logo. This unification will be reflected in new packaging and a continuing commitment to the founding Klaire Labs principles of purity, potency, and performance.
- Sulfur and Methyl Donor.*
- OptiMSM® brand of MSM has been found in controlled clinical trials published in the peer-reviewed medical literature to support joint comfort and structure.*
- This hypoallergenic* product supplies 750 mg of MSM (Methylsulfonylmethane) per vegetarian capsule.
- Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, and yeast. Contains no artificial colors, flavors, or preservatives.
