To maximise the larger polysaccharide molecules that have the most significant immuno-modulating effect, a hot water extract is used. An even ratio of fruit body and mycelium is used for a wider array of beneficial compounds. PSK and PSP are the B-glucan compounds credited for Turkey Tails beneficial effects, these are found primarily in fruit bodies and mycelium respectively. Using a full-spectrum product with both parts of the fungi ensures the maximum range of beneficial compounds.