This ISSCA certification provides a solid foundation in the molecular, physiological, and clinical principles of peptide therapy, explaining how peptides act in the human body from their structure to their systemic effects. Participants will learn how to identify and classify different peptide families and understand their therapeutic roles in regenerative, hormonal, metabolic, immune, and neurological functions, with a clear focus on clinical integration. The course explores the core mechanisms of action of peptides, particularly their influence on neuroendocrine, immune, and metabolic pathways, which are central to functional and regenerative medicine. It also covers routes of administration, slow-release formulations, and safety considerations, including pharmacokinetics, efficacy, and best practices for responsible clinical use. Finally, the module emphasizes real-world application through protocol design based on clinical case studies. Participants will learn how to safely integrate peptides with supplements, medications, and IV therapies, enabling personalized, multidisciplinary treatment strategies that optimize outcomes and support long-term patient care.