In accordance with manufacturing practices in the United States, dietary supplements do not go through pre-market FDA approval. Thesis follows current Good Manufacturing Processes (cGMP), which are maintained by the FDA to ensure proper supplement manufacturing. FDA regulates everything from raw material selection to product safety to labeling.

All of our ingredients are classified by the FDA as Generally Recognized as Safe (GRAS) or have undergone phase III clinical trials, which both establish measures of safety.