Refers to Price, J. C. et al. Sexually acquired hepatitis C infection in HIV-uninfected men who have sex with men using preexposure prophylaxis against HIV. J. Infect ...

Methylsulfonylmethane (MSM) is a sulfur-containing compound found in plants, animals, and humans. It can also be made in a lab into a dietary supplement, which is used widely in alternative medicine.

MSM is an abbreviation for methylsulfonylmethane, a chemical found naturally in plants and animals. This organic compound is made synthetically and often combined with glucosamine hydrochloride and ...