Reduced Liposomal L Glutathione + Vitamin C Zenement Food Supplements Vitamin C vs Glutathione whats the difference? Both brighten the look of skin but they work in different ways. Vitamin C helps visibly brighten and improve the appearance of sun damage while Glutathione and Vitamin C IV Benefits for Infusion Therapy Glutathione for the skin Paula's Choice Glutathione and Vitamin C: Better Together? Performance Lab