Which Protein Has High Content of Glycine? The Definitive Guide
                                
                                
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                                    4 min read                                
                            
                                As the most abundant protein in the body, collagen is structurally unique, with approximately one-third of its amino acid composition being glycine. If you are wondering which protein has high content of glycine, the primary answer is overwhelmingly collagen, with gelatin and bone broth as direct derivatives.