Research suggests that methylsulfonylmethane (MSM), a sulfur-containing compound, may possess anti-inflammatory and related biological properties, though the available evidence comes entirely from preclinical and animal studies rather than human clinical trials. The studies reviewed include a cell culture investigation showing MSM reduced inflammatory-associated cancer cell behaviors in prostate cancer lines, a feline dietary study finding modest improvements in coat quality and gut bacterial diversity without adverse effects, and an equine exercise study observing broader immune and cytokine gene expression patterns in MSM-supplemented horses following exertion. Studies indicate a generally supportive direction across these findings, but because none involved human participants and the designs varied considerably in species, context, and outcomes measured, it is not possible to draw firm conclusions about how MSM affects inflammation in people. Readers should note that laboratory and animal findings do not always translate to human physiology, and robust human clinical evidence on MSM as an anti-inflammatory agent remains limited based on the studies presented here.
Citations from PubMed and preprint sources. Match score (0-100) reflects automated search ranking, not clinical appraisal.
| Title | Type | Year | Direction | Match |
|---|---|---|---|---|
| Methylsulfonylmethane (organic sulfur) induces apoptosis and decreases invasi... | Other | 2018 | Supports | 100 |
| Effect of Dietary Methylsulfonylmethane Supplementation on Growth Performance... | Other | 2022 | Supports | 95 |
| Methylsulfonylmethane (MSM) Supplementation in Adult Horses Supports Improved... | Other | 2025 | Supports | 90 |