Our extracts have up to four times the beat glucan content of most other vendors and have been independently tested at Eurofins labs, a global company. The extract ranges are as follows; Turkey Tail - (Trametes Versicolor) Polysaccharide >20% β-Glucan >15% Lion’s Mane - (Hericium erinaceus) Polysaccharide >15% β-Glucan >10% Reishi - (Ganoderma lucidum) Polysaccharide >15% β-Glucan >10% Triterpenes >4%