Improves memory." "Sharpens focus." These are just some claims you may see on the supplements that adults over age 50 are taking to try to keep their brains healthy. Do these products Liposomal Glutathione: Your Health Booster Village Green Frontiers A selective review of inhibitors of protein kinase C gamma: a neuroplasticity related common pathway for psychiatric illness Effect of antidiabetic drugs in Alzheimers disease: a systematic review of preclinical and clinical studies Molecular Neurodegeneration Springer Nature Link Terry Naturally Clinical Glutathione Swanson Vitamins Carlson Nutritional Supplements Certifications by Nutrasource