Bone broth. While recent research finds bone broth may not be a reliable source of collagen, this option is by far the most popular by word of mouth. Chicken. There’s a reason why many Collagen supplements are derived from chicken. Fish and shellfish. Egg whites. However, eating collagen-rich foods can help your body overcome some of this absorption problem. As a result, your body can stay stronger and healthier even as you get older. Some of the main health benefits of collagens include: Type I collagen is responsible for giving your skin a plump, youthful appearance.