Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Taking too much of a supplement often causes side effects. This afternoon, my son wanted to go surfing. Forest fire smoke is settling in. He asked if he should take anything to Glutathione IV Therapy: What You Need to Know CAN YOU HAVE TOO MUCH GLUTATHIONE? While Glutathione is known to boost your immune system and promote glowing skin , balance is key! Taking excessive doses without medical guidance can