HI ALL , BEEN A WHILE . CAN anyone suggest a good place to purchase CHAGA from for medicinal use as a tea . i believe its good for the liver and i need something . amazon sells it https://www.amazon.co.uk/gp/product/B00U7LOE3Q/ref=ox_sc_act_title_2?smid=A38BAVKVOI41UE&psc=1 but not sure about the purity . all the best .