Phenformin (Standard) is the analytical standard of Phenformin. This product is intended for research and analytical applications. Phenformin (1-phenethylbiguanide) is an orally active antidiabetic and anticancer agent. Phenformin has an incidence of associated lactic acidosis. Phenformin acts through acting AMPK activation and blocking mTOR pathway. Phenformin is also a substrate of P-glycoprotein (P-gp), and an OXPHOS inhibitor. Phenformin induces cancer cell apoptosis[1][2].