Amazon.com: Arencia Vitamin C Booster Shot Serum with Glutathione, Niacinamide and Vitamin E for Dark Spot Care, Fine Lines & Wrinkles, Glass Skin, Korean Skincare 30ml 1.01 fl.oz : Beauty & Personal Care Avocados have lutein and zeaxanthin, which absorb light waves that can harm your vision. People who eat lots of foods rich in these antioxidants are less likely to have age related macular degeneration. Glutathione and it's crucial role in your health and wellbeing. Most people can safely consume avocado every day. Talk to a healthcare provider first if you have kidney disease or a latex allergy, or if you take blood thinners. See link below Avocado & Glutathione