Can a snack be 400 calories? Exploring Your Daily Intake
                                
                                
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                                    3 min read                                
                            
                                According to research from Harvard T.H. Chan School of Public Health, a standard snack is generally between 150-250 calories, but this is a guideline, not a strict rule. So, can a snack be 400 calories? The answer is yes, depending on your dietary goals, activity level, and the nutritional content of the snack itself.