Collagen is the most abundant structural protein in the body. It supports the strength and flexibility of skin, bones, tendons, connective tissue, cartilage, and blood vessels. As collagen production declines with age, people may notice reduced skin elasticity, wrinkles, joint stiffness, and slower tissue recovery. Most supplements provide hydrolyzed collagen (collagen peptides) to improve digestion and absorption. The goal is to deliver bioactive peptides that may support collagen synthesis and tissue structure. Collagen is not a “miracle cure,” but a supportive tool that tends to work better when paired with adequate protein, vitamin C, quality sleep, and sun-damage control. In short, collagen is best positioned as an evidence-informed nutritional support rather than a standalone treatment.