If you're gaining weight in a calorie deficit, well then I'm sorry to be the bearer of bad news, but you're not in a deficit. If you are gaining weight in a calorie deficit, the most common culprit outside of a true diagnosed medical condition is that you're eating more food than you think.

Listed below are list of some common contributors to untracked eating habits/ patterns:

Weekend eating - This is by far the number 1 culprit to derailing progress. Accurately tracking and weighing out each and every serving size can be quickly undone with poor choices on the weekends. I have seen this accomplished a number of ways. Here are the most common: 1.) Guesstimating food…