French Mush is the only player in the world to cultivate and extract on European soil. Our ultrasound extraction technique allows for 92% bioavailability. French Mush extracts are therefore 4 to 8 times more effective than average. The effectiveness of French Mush extracts and the active compounds they contain are clinically proven. We are certified organic agriculture. Tested in an independent laboratory. Immune system Microbiota Made in France The blend of these mushrooms may have a slightly earthy or bitter taste when added to a drink or food. This taste is a sign of their quality. To reduce this bitterness, feel free to add fruits or sugars. We recommend using the products for a minimum of 30 days, and if possible 90 days, for optimal results. You can also use different mushrooms at the same time for a synergistic effect.