4 fl oz. The benefits of using a tincture compared to an encapsulated powder or tea is that tinctures are specifically designed to maximize the bio-availability of Reishi's bio-active constituents due to our double extraction process. This is a potent liquid extract of 50% wildcraft Red Reishi (Ganoderma tsugae) and 50% wildcraft Artist Conk (Ganoderma applanatum) derived from organic alcohol and distilled hot water solvents. Ganoderma has natural calming properties. It may help people with anxiety or getting a full night of sleep. As an adaptogen, Ganoderma supports healthy heart and lung functions. The channel tropism of Ganoderma is the heart, lung, and liver, according to Gui-Jing theory. According to traditional Chinese medicine (TCM) theory, Ganoderma has the ability to enhance body resistance. Ganoderma mushrooms have been used for its healing properties since at least 25 AD! Instructions for use: Administer 4ml of Ganoderma tincture sublingually (under the tongue) daily. Alternatively, add 4ml Ganoderma tincture to a small glass of water, juice, or natural tea (2-6 fl oz) to mask its potent flavor. Birch Boys advises against adding this product to soda or bottled beverages that feature a complexity of artificial ingredients. Do NOT add Ganoderma tincture to any beverage over the temperature of 170 degrees farenheit. Doing so could alter its constituents. *These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease, illness, or ailment.