Drug metabolism is one of the most important parts of pharmacokinetics. In this video, the drug metabolism, active and inactive metabolites, bioactivation, the concept of the prodrug, effects of bioactivation of prodrug and classification of metabolic pathways are explained. TIMELINE: 0:00 Introduction 0:05 What is Metabolism? 0:30 Understanding of drug metabolism 0:50 Inactive mtabolites 1:16 Active metabolites 1:33 What is bioactivation? 1:49 Prodrug 2:11 Bioactivation of drug can lead to a toxic metabolite 2:37 Liver and metabolism of the drug 2:50 Classification of metabolic pathway 3:03 Phase 1 metabolism 5:49 Phase 2 metabolism