Optimal Glutathione Injection Dose For Skin Whitening Revealed Glutathione Therapy Specialist in Orlando, FL What is glutathione and why must we protect patient access to it? Glutathione Benefits and Precautions: All You Need to Know Glutathione is a natural antioxidant your body makes, and it can influence melanin production which is why it's sometimes marketed for skin brightening. Oral supplements are mostly broken down in the Glutathione For Skin Brightening: How It Works & How To Use It