Welcome to Peptides Unlocked, an easy-to-understand 12-chapter journey through the world of therapeutic peptides. We'll explore what peptides are, how they work, and how people use them for healing injuries, fighting aging, building muscle, boosting brain power, supporting immunity, and more. This guide is written for complete novices in a friendly, conversational tone – no PhD in biochemistry required! Along the way, we'll share real-world examples, simple anecdotes, practical tips on dosages, and honest talk about benefits and side effects. By the end, you'll have a solid grasp of commonly used peptides and how they might improve health and well-being.