Educational information, not medical advice — ask your doctor or midwife.
Track MSM Methylsulfonylmethane with reminders and record whether it helped, in the app.
MSM (methylsulfonylmethane) is a naturally occurring sulfur compound present in small amounts in many foods and in the human body. It has been studied extensively as a supplement for joint pain, inflammation, and recovery. Sulfur is essential for building connective tissue proteins like collagen and keratin, which is why MSM is popular for both joint and skin support.
MSM supplies bioavailable sulfur, which your body uses to maintain cartilage, tendons, and skin. It also helps dial down inflammatory signals — essentially taking the edge off the immune response that causes pain and swelling. Some research suggests it reduces oxidative stress in muscle tissue, which may explain its usefulness for post-exercise soreness.
Capsules and powder are the most common forms and both work well. Powder can be mixed into water or juice and is easy to dose flexibly. Topical creams are popular for localized joint or muscle pain, though systemic absorption from topical MSM is limited compared to oral use. Look for OptiMSM or pharmaceutical-grade MSM for the highest purity.
MSM was first synthesized and studied in the 1970s by researchers investigating DMSO (dimethyl sulfoxide), a related compound used medically. Dr. Stanley Jacob at Oregon Health Sciences University was a pioneer in exploring MSM's therapeutic uses. It entered the consumer supplement market in the 1990s and remains one of the top-selling joint supplements worldwide.
Some reactions to MSM Methylsulfonylmethane need urgent care. Call your local emergency number or go to an emergency department straight away — do not wait to see whether it passes.
Call your doctor if you bruise easily or bleed more than normal. This matters most if you take a blood thinner. Seek care the same day for a nosebleed that will not stop, or for blood in your stool or urine.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
One email with the summary. We'll also send a short weekly evidence update — unsubscribe any time.