Harmonic Arts Chaga - Chaga, The King Of Mushrooms, is a favourite of Northern European Folk Medicine. Traditionally, it's used to address abnormal tissue growth, immune health, and intestinal issues. Chaga mushroom is a source of fungal polysaccharides with immunomodulating properties. Sustainably cultivated on living birch trees in an organic-certified Siberian forest. This ensures a high concentration of betulinic acid and triterpenes.