What is a Fat Burner in Protein Shakes? A Complete Guide
                                
                                
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                                    4 min read                                
                            
                                According to a 2011 study, fat burners are dietary supplements that claim to boost metabolism and increase energy expenditure. A fat burner in protein shakes combines the muscle-supporting benefits of protein with thermogenic ingredients designed to accelerate fat loss, creating a popular supplement for weight management.