What is the difference between whey 80 and whey 90?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to manufacturers, the primary distinction is that whey 90 contains at least 90% protein, whereas whey 80 contains up to 80%. This difference is a result of the manufacturing process, which affects not only protein content but also levels of fat and lactose.