Is There Collagen in Egg Yolks?
                                
                                
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                                    4 min read                                
                            
                                A 2016 study published in the *Journal of Poultry Science* definitively confirmed the presence of collagen in egg yolks, challenging the widespread belief that it is only found in the egg's membranes. This discovery highlights that the entire egg is a more comprehensive source of this vital protein than previously understood.