From the Manufacturer's Label:
30 mg extract per serving
Comprised of Protein Bounc Beta (1,3)(1,6) Glucan Chains
At Bio-Pro®, the Mycology division of Nature's Answer®, we maintain a strong emphasis on supplying professional-grade, premium quality, nutritional mushroom formulas, defined by the highest level of efficacy and benefits to the customers.**
Direct from the source, our products are 100% formulated and produced in our own state-of-the-art, botanical manufacturing and quality-controlled facilities in the USA.
More than a super-food, Bio-Pro® Mushroom formulations are completely free of pesticides and other contaminants and never tested on animals. Our mushroom ingredients are sustainably-cultivated under strictly controlled, analytical laboratory environments.