One Meal a Day Myths - Explained There are plenty of myths out there in regards to eating one meal a day that often leave people skeptical. Have you been uneasy about trying the omad diet because you are scared it will ruin your metabolism, deplete your muscle stores or leave you starving with no energy? [no_toc] Well, you wouldn’t be alone – because, despite its growing popularity, eating one meal a day is surrounded by myths. Many dieters mistakenly believe that fasting causes muscle loss, or that eating frequent small meals is the key to fat loss. Some still believe that ...