Cordyceps Mushroom has been used in traditional Chinese medicine for it's anti aging properties for centuries. Studies have began to look at doses of 1,000mg to 3,000mg per day though no optimal dose has been decided upon. The active ingredients in Cordyceps mushroom are the beta glucans and alpha glucans which are both classified as Polysaccharides. To ensure our product contains a measurable amount of these active ingredients we standardize our extract to 7% Polysaccharides. Double Wood's Cordycep Mushroom Extract is Made / Tested in the USA, Non-Gmo, Gluten Free, and Vegan Friendly. It contains 210 capsules and each capsule contains 500mg of Cordyceps extract.