Meratol... does it work? Meratol is an all natural supplement to help you lose weight. It has no side effects. Just two Meratol capsules a day can help burn up to 278 calories. in Public bookmarkswith help_for_fatmeratolmeratol_ingredients Note: Meratol is an all natural supplement to help you lose weight. It has no side effects. Just two Meratol capsules a day can help burn up to 278 calories.