Do Fat Burner Pre-Workouts Actually Work? The Science Explained
                                
                                
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                                    4 min read                                
                            
                                According to a 2023 study published in the journal *Nutrients*, certain thermogenic ingredients can produce a sustained increase in metabolic rate. This suggests that specific formulas in fat burner pre-workouts actually work by increasing calorie expenditure, though the effects are not miraculous and depend heavily on diet and exercise.