An object of the present invention is to elucidate a collagen peptidecomposed of oligopeptides having ability to enter the blood higher than thatofconventional collagen peptides and thus to provide a food or beverage mixedwith the collagen peptide. The present invention provides a collagen peptidecomposition obtainable by digesting a collagen or gelatin with protease, whichcomprises 70% to 100% by weight of peptides with a molecular weight 500 ormore to 3000 or less, less than 10% by weight of peptides with a molecularweight of less than 500, and less than 20% by weight of peptides with amolecular weight of more than 3000, based on the total weight of thecomposition, wherein the ratio of N-terminal glycine residues to total of theN-terminal amino acid residues of the peptides in the composition is 33 mol%ormore to 65 mol% or less.
