It’s important to realize that more than just refined sugar can lead to belly fat gain. Even healthier sugars, such as real honey, should be used sparingly. Quick Keto Reviews Observational studies show a relationship between high sugar intake and increased abdominal fat . Results showed those who drank alcohol daily but averaged less than one drink per day had less belly fat than those who drank less frequently but consumed more alcohol on the days they drank . Observational studies link heavy alcohol consumption to a significantly increased risk of developing central obesity — that is, excess fat storage around the waist .