Tiger Milk Mushroom. Clean, Safe, Effective this Nootropic, Respiratory Powerhouse of Functional Mushrooms is a newcomer in comparison to the now household name medicinal mushrooms. But it actually has over 400 years healing history. The Tiger Milk Mushroom is rare, legend has it that they only sprout where a lactating tigress happened to spill a drop of milk. This mythical tale gave birth to the unusal name, the Tiger Milk Mushroom, forever etching it into the annals of fanciful folklore. Indigenous Malaysian tribes have been hunting it down in the depths of the jungle for centuries. They consume it, venerate it, and swear by its incredible health benefits.