Research suggests that wild yam, primarily through its active compound diosgenin, demonstrates anti-inflammatory activity across a range of preclinical studies, with findings pointing to several potential mechanisms including suppression of inflammatory enzymes COX-2 and mPGES-1, inhibition of the NF-κB signaling pathway, and reduction of pro-inflammatory cytokines such as TNF-α and IL-6. The available evidence comes almost entirely from laboratory cell studies and animal models — including rats, mice, and cell-based assays — along with several narrative reviews synthesizing this preclinical literature, with no randomized controlled trials or robust human clinical data identified. Studies indicate that diosgenin may reduce inflammation in contexts ranging from gastric injury and lung fibrosis to liver damage and arterial disease, and researchers have also explored nanoparticle-based delivery systems as a way to improve the compound's absorption and effectiveness. While the overall direction of this body of research is supportive, the exclusive reliance on preclinical evidence represents a significant limitation, and whether these findings translate to meaningful anti-inflammatory effects in humans remains an open question.
Citations from PubMed and preprint sources. Match score (0-100) reflects automated search ranking, not clinical appraisal.
| Title | Type | Year | Direction | Match |
|---|---|---|---|---|
| Effects of diosgenin and its derivatives on atherosclerosis. | Review | 2019 | Supports | 100 |
| Challenges in Coopted Hydrophilic and Lipophilic Herbal Bioactives in the Sam... | Other | 2021 | Supports | 95 |
| Diosgenin suppresses COX-2 and mPGES-1 via GR and improves LPS-induced liver ... | Other | 2021 | Supports | 90 |
| Kinases in motion: impact of protein and small molecule interactions on kinas... | Other | 2024 | Neutral | 85 |
| Diosgenin, a Natural Steroidal Sapogenin, Alleviates the Progression of Diabe... | Other | 2023 | Mixed | 85 |
| An overview on pharmacological significance, phytochemical potential, traditi... | Review | 2024 | Supports | 80 |
| SARS -CoV-2 T-cell immunity to variants of concern following vaccination | Other | 2021 | Neutral | 80 |
| Gastroprotective effects of diosgenin against HCl/ethanol-induced gastric muc... | Other | 2021 | Supports | 75 |
| Diosgenin-Loaded Silver Nanoparticles Mitigate B[a]P-Induced Lung Fibrosis Th... | Other | 2025 | Supports | 70 |