Strongest Brain fully complies to FDA regulation of dietary supplements, 21 CFR Part 111. Strongest Brain’s quality starts from choosing the best nature herbals without pesticides nor contamination. Our herbal active ingredients are extracted by the most advanced separation technology to keep their strongest nature activities. All raw materials are fully tested before manufacture, no adulteration at all! Our manufacture maintains the highest hygiene of buildings, workers, and machines, no allergens at all! Every batch of our finished bottles is fully tested by ISO certified laboratory and test for two year stability. Strongest Brain follows the highest standards and provides the best quality to our customers, every capsule, every bottle, every year!!!