Do You Gain Calories From Licking Envelopes?
                                
                                
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                                    4 min read                                
                            
                                According to the U.S. Food and Drug Administration, the gum arabic in envelope adhesive contains around 1.7 calories per gram. This means that while there are technically some calories, the amount gained from licking envelopes is negligible and has no impact on body weight.