I have been on 20 40 mg of PQQ daily for the past 6 years, directly from our Liposomal Glutathione Formula. I would say a majority of people have no idea what PQQ Glutathione is often called the body's master antioxidant and for good reason. It supports detoxification, protects your cells from oxidative stress, and promotes brighter skin, sharper focus, and stronger immunity. Cymbiotika's Supplement Needs PQQ (Pyrroloquinoline Quinone) 60 Tabs Amazon.com: MEGNETA Liposomal Glutathione Supplement 500mg Glutathione with PQQ, CoQ10 & Vitamin C High Absorption Antioxidant for Immune & Energy Support Grape Flavor, 30 Pouch : Health & Household Role of glutathione in augmenting the anticancer activity of pyrroloquinoline quinone (PQQ)