Oxidative Medicine and Cellular Longevity, 2016 , 3286365
In this guide, we discuss the four best glutathione supplements we've identified, assess their merits, and go deeper into the roles that glutathione plays in human health
Potential Risks and Side Effects of Glutathione While theres no risk in eating glutathione-rich foods, such as fruits and vegetables, the risks of supplement forms sold in most health stores are still unclear, and there may also be serious risks with injectable glutathione for skin whitening or lightening
In 2011, for example, researchers who administered 1,000mg per day of non-liposomal glutathione found "no significant changes were observed in biomarkers of oxidative stress" in participants after four weeks.2 In contrast, a 2019 study of identical length administered liposomal glutathione at 500-1,000mg doses and saw significant decreases in oxidative stress biomarkers plus improvements in immune system markers.3 Two of our top recommended glutathione supplements are liposomal, by the way: Codeage Liposomal Glutathione, our recommendation for most people Quicksilver Scientific Glutathione, our top liquid glutathione supplement Branded glutathione Glutathione supplements often use one of two branded versions of glutathione that are formulated to improve absorption: Setria or Opitac
This may allow Glutathione to bypass digestion and support whole-body antioxidant replenishment without injections over several hours, rather than delivering it all at once
