Presence of synthetic pharmaceuticals as adulterants in slimming phytotherapeutic formulations and their analytical determination

Obesity that is associated with a high consumption of slimming substances is considered a public health problem around the world. In this context, the increasing consumption of phytotherapeutic formulations as alternative obesity treatments has revealed the presence of synthetic pharmaceuticals as adulterants. The illegally added adulterants are frequently anorexic, anxiolytic, and antidepressant pharmaceuticals. This review aims to describe the analytical methodologies utilized for the determination of adulterants in slimming phytotherapeutic formulations. Furthermore, this review describes some important adulteration cases, which occurred mainly in Europe, Asia, Brazil, and the USA.