Continues to be described as a drugs in aged Chinese healthcare textbooks and Tibetan drugs. It's really a unusual combination of a caterpillar along with a fungus and found at altitudes higher than 4500m in Sikkim. Traditional healers and local persons of North Sikkim advise the mushroom, i.e., Yarsa gumba, https://elliotpvbfj.ltfblog.com/31094741/the-smart-trick-of-chaga-that-nobody-is-discussing