Mushroom Gold is an organic synergistic blend of Maitake, Reishi and Shiitake mushrooms with Nutrigest TM (Seaweed, Spirulina and Ginger). This broad-spectrum formula contains the highest organic grade, sustainably cultivated herbs, carefully selected to bring you the full potential of nature's goodness. Mushroom Gold is an organic synergistic blend of Maitake, Reishi and Shiitake mushrooms with Nutrigest TM (Seaweed, Spirulina and Ginger). This broad-spectrum formula contains the highest organic grade, sustainably cultivated herbs, carefully selected to bring you the full potential of nature's goodness.