While herbal medicines offer numerous health benefits, they can also pose risks if not used appropriately. This book deals with the toxicological aspects of herbal medicines, examining the potential adverse effects, toxicity mechanisms, and safety profiles of various herbal products. It covers the identification of toxic compounds, dose-response relationships, and factors influencing herb-induced toxicity, such as interactions with pharmaceuticals and contaminants. Additionally, the book discusses methodologies for assessing the safety of herbal medicines, including in vitro and in vivo studies, and regulatory frameworks for ensuring herbal product safety. Aimed at toxicologists, pharmacognosists, and healthcare professionals, it provides critical insights into mitigating risks associated with herbal medicine use.