Glutathione: What It Is, Why You Need It, How You Can Increase It The Amino Company What is glutathione and why must we protect patient access to it? Glutathione is often misunderstood as a skin whitening solution but the science tells a very different story. It is primarily an antioxidant that works against oxidative stress and free radical damage inside The reason some people stay sick despite treatment often comes down to one molecule. Glutathione is the most abundant antioxidant inside your cells. It protects mitochondria, recycles other antioxidants, and repairs