MSM might supply sulfur to make other chemicals in the body. But there is no recommended dietary allowance (RDA) for MSM or sulfur, and sulfur deficiency is not a known condition.
People commonly use MSM for osteoarthritis. It is also used for pain, swelling, aging skin, hay fever, and many other conditions, but there is no good scientific evidence to support most of these uses.
Don't confuse MSM with DMSO (Dimethylsulfoxide). They are not the same compound.
How does it work ?
Uses & Effectiveness
Possibly Effective for
Possibly Ineffective for
- Poor circulation that can cause the legs to swell (chronic venous insufficiency or CVI). Applying MSM and EDTA to the skin can reduce swelling in people with CVI. But applying MSM alone seems to make swelling worse.
When applied to the skin: MSM is possibly safe when used in combination with other ingredients, such as silymarin or hyaluronic acid and tea tree oil, for up to 20 days.
Special Precautions and Warnings
Varicose veins and other circulatory problems (chronic venous insufficiency): Applying a lotion that contains MSM to the lower limbs can increase swelling and pain in people with varicose veins and other circulatory problems.
We currently have no information for METHYLSULFONYLMETHANE (MSM) Interactions.
CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.
This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version. © Therapeutic Research Faculty 2018.