Glutathione Injection Dosage Per Day Cody Drug 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+ vs Glutathione IV Therapy Flare MD Bedford TX Glutathione 30 mL Hallandale Pharmacy Glutathione 600 Mg 10 ML + Vitamin C IP 500 Mg 2 ML; Glutacious 600: Treat Liver Disease