Collagen is the most abundant protein in the human body, providing structure and support to our skin, joints, muscles, and bones. Think of it as the glue that holds everything together. This fibrous protein is vital for maintaining skin's youthful suppleness, ensuring joints move smoothly, and keeping muscles and bones strong. As we age, our bodies produce less collagen, leading to common signs of aging such as wrinkles, joint discomfort, and a decrease in muscle mass.