Ingredients: 10 mg of D-fraction extract powder, 150 mg of Maitake fruit body powder and 10 mg of vitamin C. It contains no sugar, yeast, mold, artificial colors, dairy foods, preservatives, and chemical pesticides or fertilizers. Suggested use: Take 2 capsules twice daily between meals for general use as a dietary supplement, or as recommended by your health care professional. Grifron Maitake and D fraction have been used in a number of studies in Japan and the United States. Grifron family is the authentic Maitake mushroom products that you can count on. Due to the natural characteristic of the mushroom, it's color in capsules may vary from one batch to another. However, quality and potency of the product are not affected. Maitake (Grifola frondosa) has been prized in traditional Japanese herbology for hundreds of years as a potent adaptogen and tonic for youth and longevity. Modern science has identified in Maitake a polysaccharide compound. Beta glucan as an active constituent to stimulate cellular immune activity. Maitake D-fraction is a standardized form of isolated beta 1, glucan, specially developed to be optimal for oral administration. This product is designed for those who are required to enhance the immune system.