Polysaccharide Peptide
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Faizan Sheraz, M.D. [2]
Overview
Polysaccharide peptide (PSP) is a protein-bound polysaccharide extracted from the edible mushroom, Coriolus versicolor. PSP is currently in the animal-testing phase of research in many countries for use as an anti-tumor drug. It appears to work as a Biological Response Modifier, enhancing the body's own use of macrophages and T-lymphocytes, rather directly attacking any tumors.