Turkey Tail
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Turkey Tail. Beta-glucan-rich mushroom used as immune adjunct in cancer (PSK approved in Japan).
How it works. PSK/PSP beta-glucans activate TLR-2/dectin-1 and prebiotic activity in gut.
What the research supports. 1 graded claims. Strongest: PSK improves survival as adjunct in gastric cancer (strong).
How much to take. Typical dose: 1–3 g extract; 3 g PSK clinical.
Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.
Stacking. Pairs well with Vitamin D3 + K2, Zinc.
Common forms. Available as PSK (Krestin), PSP, Hot water extract.
Key studies. 8 studies cited. The strongest are listed with links to PubMed.
Community. Experiences from people who have tried Turkey Tail. Anecdotes are not medical advice.
Turkey Tail. Beta-glucan-rich mushroom used as immune adjunct in cancer (PSK approved in Japan).
What it is
Beta-glucan-rich mushroom used as immune adjunct in cancer (PSK approved in Japan).
Also called
Food sources
Goals
How it works
PSK/PSP beta-glucans activate TLR-2/dectin-1 and prebiotic activity in gut.
Pathways
- Innate immune activation
- Microbiome modulation
Effects
- +Innate immunity supports
- +Gut microbial diversity supports
What the research supports
Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.
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Side effects & interactions
Common side effects
- GI upset
Medication interactions
Antagonistic.
Check any supplement–medication combination with your pharmacist before starting.
Combines with
Pairs well
- Vitamin D3 + K2Foundational immune modulation.
- ZincRequired cofactor for innate and adaptive immune function.
Common forms
- PSK (Krestin)
- PSP
- Hot water extract
Key studies
8 studies cited in total.
Improved 5-year survival when added to chemotherapy.
Opens current human and preclinical literature matching Turkey Tail and "PSK improves survival as adjunct in gastric cancer". Filter by RCT, meta-analysis, or year on the results page.
Opens current human and preclinical literature matching Turkey Tail and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.
Discussion
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