Fish Collagen Tablets: Benefits for Skin, Joints & More Collagen has become a wellness buzzword, and for good reason. It's the most abundant protein in the human body, playing a critical role in skin elasticity, joint health, and overall structural integrity. As we age, natural collagen production slows down, leading to wrinkles, joint pain, and other signs of aging. While there are many collagen supplements on the market, fish collagen has emerged...