DWQA Questions › Category: Healing Modalities › Is the Micro Ingredients supplement, Organic Chaga Mushroom Extract 100:1 Powder, (10 Ounce, 141 servings, $26.95 at Amazon) an effective, high-quality antiviral? 0 Vote Up Vote Down Nicola Staff asked 3 months ago This is a good source of the natural product in question and will be a reliable supplier going forward. There is good quality control in place to ensure consistency of performance in getting the desired biological effects. Please login or Register to submit your answer Username or Email Address Password Remember Me Connect with: