This supplement is officially certified by ICDD (France), a testing organization for pharmaceuticals and antioxidants. Furthermore, it is an antioxidant supplement that has received Grade A certification from the Japanese Society for Dementia Prevention after clinical trials. Twendee X 200 tablets Twendee X New, unopened Expiration date: January 2028 One bag contains 66 days' worth. (3 tablets per day as a guideline)