By Dr. Sofia Miller, BPharm (Hons), MClinSciClinical Pharmacologist · Updated November 2025 · Educational Purposes Only What Is PhenQ? From an educational standpoint, PhenQ represents a class of multi-mechanism weight-management formulations designed to address several interconnected drivers of weight gain: Unlike prescription stimulants such as phentermine or phendimetrazine, PhenQ uses non-pharmaceutical ingredients that are typically…