How Long Does Glutathione Take to Work? A Research-Based Timeline Glutathione has been called the body’s master antioxidant for a reason. It’s involved in detoxification, immune balance, energy production, skin repair, inflammation control, and cellular protection. So it’s no surprise that many people turn to glutathione hoping for brighter skin, better immunity, or improved overall

If you follow skin care trends, you’ve probably seen glutathione pop up everywhere—from IV drips and “whitening” shots to wellness powders you can stir into a smoothie.   Let’s make this simple: what exactly does glutathione do for skin, and what’s the real-world difference between injecting glutathione and supplementing cysteine (a glutathione precursor)—like with Immunocal?