Msm Products: We carry only OptiMsm from Cardinal Nutrition, the only 99.9% Ultra-Pure MSM officially licensed for human biological use under the R.J. Herschler Patents.

The msm you purchase from us will always be 99.9% pure methylsulfonylmethane nutritional sulfur and will never be cut with any other ingredients. A copy of the certificate of analysis is available upon request.