Made from a variety of food-based sources, including grass-fed hydrolysed bovine hide, chicken bone broth, hydrolysed fish, and eggshell membrane, R1 Multi-Source Collagen™ contains type I, II, III, V, and X peptides. Together these 5 collagen types provide full-spectrum benefits for hair, skin, nails, joints, and other connective tissues. ^
2g Multi-Source Complex^^
Contains 5 types of collagens: I, II, III, V, and X