Modern Science has identified in Maitake (Grifola frondosa) a proteoglucan, Beta-1, 3 and 1,6 glucans combined with protein, as an active constituent to support healthy immune function.**
Maitake D-Fraction is a standardized form of the proteoglucan, specially developed to be optimal for oral administration.
About Puritan’s Pride
For more than 40 years, Puritan's Pride has helped families achieve a lifestyle of wellness. Our vitamins and supplements are made with care from the highest quality ingredients. They are tested or inspected as many as 15 times throughout the manufacturing process. That's why you can shop with confidence. We take pride in our products and helping customers feel their best.