Professional Formulas - Reishi (Ganoderma lucidum) - 8.4 FL. OZ. (250 mL). Serving Size:One Teaspoon (4.9 mL) Active Ingredients: Reishi (Ganoderma lucidum) Mushroom Extract (1:1) 4.9mL Other Ingredients:Grain alcohol (43%) and purified water. Botanical Name: Ganoderma lucidum Mushroom 1:1 Vegetarian Formula Gluten Free Hypoallergenic Recommended Dosage:May increase the risk of bleeding in some people. Not intended for use while pregnant or breastfeeding.- Professional Formulas - Reishi (Ganoderma lucidum) - 8.4 FL. OZ. (250 mL).