Collagen is a structural protein that is a primary component of connective tissues in the body, including skin, tendons, ligaments, and cartilage. It provides strength and elasticity, playing a crucial role in maintaining the integrity and resilience of these tissues. There are several types of collagen, with Type I being the most abundant in the human body. As we age, collagen production decreases, leading to signs of aging such as wrinkles and joint pain.