फेनफरमाइन बादि बिगुवानाइड आरो मेताफरमाइन मुलैफोरा खाजा आरो मुलै खुंथायजों जुथाय हादराव होबथाजाबाय ।
Biguanides like phenformine and metaformine drugs have been prohibited in the United States by Food and Drug Administration .