. Chaga mushroom The King Of Mushrooms, Chaga fortifies the immune system to activate, stimulate and regulate. As well as supercharging immunity, it's effects are protective and supportive to the whole body, making it a revered tonic herb. Chaga The King Of Mushrooms, Chaga fortifies the immune system to activate, stimulate and regulate. As well as supercharging immunity, it's effects are protective and supportive to the whole body, making it a revered tonic herb. Cordyceps 