General Dosage
1-3g daily of hot water extract
Maximum dose: Clinical trials have used up to 9g/day of PSK without serious adverse effects
Turkey Tail Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 1-3g daily of hot water extract
Timing: With food for best absorption; can be taken any time of day • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Daily immune support | 1-2g extract daily | Strong |
| Intensive immune support | 3g extract daily | Strong |
| Gut microbiome support | 2-3g daily | Moderate |
| Adjunctive oncology support | 3g PSK daily (under medical supervision) | Strong |
Upper limit: Clinical trials have used up to 9g/day of PSK without serious adverse effects
Timing & Absorption
With food for best absorption; can be taken any time of day
Best taken with food for optimal absorption.
References
- Oba K, Teramukai S, Kobayashi M, et al. (2007). Efficacy of adjuvant immunochemotherapy with polysaccharide K for patients with curative resections of gastric cancer. Cancer Immunology, Immunotherapy. DOI PubMed
- Torkelson CJ, Sweet E, Martzen MR, et al. (2012). Phase 1 Clinical Trial of Trametes versicolor in Women with Breast Cancer. ISRN Oncology. DOI PubMed
- Pallav K, Dowd SE, Villafuerte J, et al. (2014). Effects of polysaccharopeptide from Trametes versicolor and amoxicillin on the gut microbiome of healthy volunteers. Gut Microbes. DOI PubMed