Chaga is unique among medicinal mushrooms as it is known to be one of the most important anti-aging supplements yet discovered*. Like all medicinal mushrooms, Chaga contains beta glucans, the non-linear complex polysaccharides that give Chaga extract its potent immune supporting properties. Chaga extract is commonly known to have an extremely high ORAC value (anti-oxidant properties), even beyond that of blueberry extracts. In fact, Chaga may be the most potent anti-oxidant ever discovered. Immortality Quest Chaga extract is made from wild-crafted mushrooms and is a combination of both hot-water and ethanol extractions.