Prunucis 2000MG Liposomal Glutathione Liquid, 98% Absorption, Active Form L-Glutathione Supplement, Vegan Friendly, Powerful Antioxidant Complex for Immune System, Aging Defense, Detox, 2 FL.OZ

This is the one I've been using and have good results. I've been using it for a little over a year at this point. https://www.amazon.com/Glutathione-L-Glutathione-Supplement-Antioxidants-Absorption/dp/B0BXWXLD5G Same brand has this as well if you'd prefer to deal with the liquid directly:https://www.amazon.com/Glutathione-Absorption-Supplement-Antioxidant-Detoxifier/dp/B0CG1MFX9Z