Glutathione and Vitamin C: Powerful Duo in IV Therapy Before you spend money on glutathione, read this first. Topical, oral, injectable what actually works and what's just marketing? #funskincare #funingredientsinfographic101 Can you take glutathione without vitamin C? The simple answer: NO! Glutathione will not work without Vitamin C. Glutathione remains in two states, active and inactive. When it's in its active state, Glutathione 500 mg Plus 21st Century Vitamins 21st Century Vitamins