Are there any calories in licking envelopes?
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7 min read
According to the U.S. Food and Drug Administration, the adhesive on a U.S. envelope contains around 1.7 calories per gram, which equates to only about one-tenth of a calorie per lick. The answer to "Are there any calories in licking envelopes?" is a resounding yes, but the amount is so insignificant that it won't impact your diet.
