http://pskcancersupport.com/health-professional-support/
PSK is a proteoglycan concentrate prepared commercially by hot-water extract of cultured mycelia from the edible mushroom Trametes versicolor (Coriolus versicolor, Polystictus versicolor.) The mushroom is also known by the common names of Kawaratake (Japan), Yun-Zhi (China) and Turkey tail (Europe and America).








