"What Happens When Glutathione is Deficient" by Dr. Tim Guilford Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic What Is Glutathione? Health Benefits, Risks, and More Which antioxidant do you actually need? Under 30?Go with Vitamin C.It helps brighten, defend against early sun damage, and support collagen while your skin is still naturally resilient.