Why Am I Heavier After a Meal? The Science of Temporary Weight Gain
                                
                                
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                                    4 min read                                
                            
                                The average adult’s weight can fluctuate by several pounds throughout the day, a phenomenon most notice right after eating. If you've ever stepped on the scale and found yourself asking, 'why am I heavier after a meal?', it's a completely normal occurrence with several temporary, non-fat-related causes.