Some mushrooms do well with a hot water extract, which offers a plethora of beneficial polysaccharides, such as beta glucans. Others, in addition to the beta glucans, have beneficial compounds known as triterpenes, and these are best made available with an alcohol extract. The term dual extract means that the mushroom has been extracted using hot water as well as using alcohol. Our Chaga and Reishi mushrooms are both hot water and alcohol extracted, therefore making both water and fat-soluble constituents available. Our Lion's Mane and Cordyceps mushrooms are extracted via hot water.