Unlike many similar products Nutricost Shiitake Mushroom has been certified Organic by CCOF. Look for the organic certification on the bottle. There is 500mg of Organic Shiitake Mushroom per capsule for 1,000mg per serving. There are 180 vegetarian capsules -... Unlike many similar products Nutricost Shiitake Mushroom has been certified Organic by CCOF. Look for the organic certification on the bottle. There is 500mg of Organic Shiitake Mushroom per capsule for 1,000mg per serving. There are 180 vegetarian capsules - 90 servings In each bottle. This product is non-gmo, gluten free, soy free, non-gmo, and vegetarian friendly. Easily add organic shiitake mushroom to your daily regimen. This Product is Organic Certified By CCOF 1,000mg of Organic Shiitake Mushroom Per Serving, 500mg Per Capsule 180 Vegetarian Capsules Per Bottle for 90 Servings Vegetarian, Certified Organic, Gluten Free, Soy Free, Non-GMO Made in a GMP Compliant, FDA Registered Facility