Grifola frondosa
Maitake
Category
Metabolic
Dose range
500–2500 mg
Beta-glucan
20–35%
Timing
With meals — particularly before carbohydrate-heavy meals
Key compound
D-fraction beta-glucan
Overview
Maitake contains D-fraction, a proprietary beta-glucan isolate with documented effects on blood glucose regulation and immune activation. Clinical studies show improved insulin sensitivity and immune NK cell activity. The D-fraction formulation has the strongest evidence base; whole powder is less studied.
Primary reference
Konno S, Tortorelis DG, Fullerton SA, et al. · 2001
A possible hypoglycaemic effect of maitake mushroom on Type 2 diabetic patients
Calculate your dose
Adjusted for bodyweight and extract form