Collagen often gets attention for its benefits to skin, hair, and nails. Yet, its influence goes far beyond beauty. This protein plays a crucial role in supporting hormones and metabolism, two key systems that affect overall health and energy levels. Understanding how collagen works in these areas can help you make better choices for your well-being. What Is Collagen and Why It Matters Collagen is the most abundant protein in the human body. It forms the structural framework