Discussion: Solaray Organically Grown Mushrooms are 100% vegan, excipient-free and contain no fillers or additional ingredients. The organic mushroom mycelium biomass is cultured on organic gluten-free whole oats and then fermented. A mycelium is the vegetative portion of a fungus. It is through this root-like substance that the fungus absorbs nutrients. Supplement Facts Serving Size: 2 VegCaps Servings Per Container: 30 Amount Per Serving ily Value Organic Fermented Turkey Tail Mushrooms (Coriolus versicolor) (Mycelium/Organic Whole Oat Biomass) 1,000 mg * *Daily Value not established.