PSK (Krestin), a protein-bound polysaccharide purified from the cultured mycelium (CM-101 strain) of Trametes versicolor (Coriolus versicolor), comprising a beta-glucan bound to protein with an average molecular weight near 100,000 Da. Chemically distinct from the mycelial PSP grade and from fruiting-body extracts, it is supplied as a powder for capsule, tablet and powder formats.
- Capsules
- Tablets
- Powders
Applications
Supplied as a protein-bound polysaccharide ingredient for capsule, tablet and powder formats and for standardised single-ingredient products.
Documentation & quality
Every order is backed by the documents your quality team files, and the controls behind them.
Certificate of Analysis
every batchSpecification sheet
on requestAllergen statement
on requestGMO statement
on requestTraceability
on requestSafety Data Sheet
where applicableHow it’s controlled
- Identity verified on every incoming raw material
- Screened for heavy metals and microbial contaminants
- Full batch and lot traceability
- Produced under our certified NSF GMP system
Other forms of Turkey Tail
Turkey Tail Fruiting Body Extract 45% Beta-Glucan (Hot Water)
Trametes versicolor fruiting body
- Vegan
- Gluten-free
- Non-GMO
Turkey Tail (Coriolus) Fruiting Body Extract 30% Polysaccharides
Trametes versicolor (Coriolus versicolor) fruiting body
- Vegan
- Gluten-free
- Non-GMO
Turkey Tail Dual-Extract Fruiting Body (Water + Alcohol)
Trametes versicolor fruiting body
- Vegan
- Gluten-free
- Non-GMO
Turkey Tail 8:1 Concentrated Fruiting Body Extract
Trametes versicolor fruiting body
- Vegan
- Gluten-free
- Non-GMO
PSP / Polysaccharopeptide Mycelium Grade
Trametes versicolor (Coriolus versicolor) mycelium (polysaccharopeptide)
- Vegan
- Non-GMO
Turkey Tail Mycelium Biomass Extract
Trametes versicolor mycelium (myceliated biomass)
- Vegan
- Non-GMO