Glutathione injections are taken once a week for 6 weeks. They reduce melanin production and make skin lighter. The cost is 5000 per sitting for double dose glutathione with Vitamin c, b complex and NAD Dosage Chart & NAD Dosage Per Day Olympia Pharmaceuticals Glutathione 500 mg Plus 21st Century Vitamins 21st Century Vitamins Glutathione Injection Dosage Per Day Cody Drug Glutathione Injections: Benefits, How It Works & Telehealth Modern Endocrine