Ganoderma is a form of mushroom that grows on wood and has been used in traditional Asian medicines for 4,000 years. Chua’s parents were born in the province where Ganoderma is harvested, Morand says. “So he knew about Ganoderma for many, many years.” And, according to science, he adds, “Ganoderma is the closest thing to nutritional perfection found in nature.”