At a Glance Turkey Tail (Trametes versicolor) is among the most clinically researched medicinal mushrooms, distinguished by two well-characterized immunomodulatory polysaccharides: polysaccharide-K (PSK, also known as Krestin) and polysaccharide-peptide (PSP). PSK has been an approved cancer…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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