Is Whey Protein Isolate Just Milk? The Key Differences Explained
                                
                                
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                                    4 min read                                
                            
                                Whey protein is the watery portion of milk, and it is a natural byproduct of the cheese-making process. But is whey protein isolate just milk? The truth is that whey isolate undergoes extensive processing to create a highly purified and concentrated form of protein, making it distinctly different from the milk it originated from.