Glutathione is hands down one of my favorite supplements Ive used and honestly without the sublingual version from @ryzewellness I wouldnt be able to tolerate the PIP and I would never have stuck Liposomal Glutathione Supplement Body's Master Detoxifier What to Avoid When Taking Glutathione (Must Read Guide) Proactive Healthcare Liposomal Glutathione Rho Nutrition Glutathione IV Detox Your Shortcut to Feeling Fabulous If a serum smells bad it usually means it works., This glutathione serum smells like rotten eggs and thats your first clue its highly concentrated. Glutathione is known for targeting