- ALL-IN-ONE MULTI COLLAGEN PROTEIN CAPSULES – Caribou Nutrition provides proprietary collagen peptide pills that are formulated with a unique blend of 100% grass-fed beef, Chicken Bone Broth, Hydrolyzed Collagen Peptides from Wild Fish, and Eggshell, including Types I, II, III, V, & X. Unlike other collagen brands, our Multi Collagen Peptides Capsules contains no hormones or antibiotics.