This South Korean research study published on the National Institutes of Health website describes how MSM substantially decreased the viability of human breast cancer cells.
Methylsulfonylmethane Suppresses Breast Cancer Growth by Down-Regulating STAT3 and STAT5b Pathways
PLoS One. 2012;7(4):e33361. Epub 2012 Apr 2
Lim EJ, Hong DY, Park JH, Joung YH, Darvin P, Kim SY, Na YM, Hwang TS, Ye SK, Moon ES, Cho BW, Do Park K, Lee HK, Park T, Yang YM
Department of Pathology, School of Medicine, and Institute of Biomedical Science and Technology, Konkuk University Glocal Campus, Seoul, South Korea.