Due to the biological complexity of the effect Agaricus has on the immune system and underlying diseases, it will be impossible to synthesize individual substances to produce the same effect as Agaricus. Therefore, it is very important to have a highly activated product with high quality and strict controls at all stages for optimum effect in the event of illness. Research and long experience from Japan, China and Korea have shown that the combination of different mushrooms can produce good synergy effects. That's why ABM Boost Agaricus product also contains Chaga, one of the most well-known and effective medicinal mushrooms.