Meal more filling than snacks. The type of meal served or eaten at any given time varies by custom and location. In most modern cultures, three main meals are eaten: in the morning, early afternoon, and evening. Further, the names of meals are often interchangeable by custom as well. Some serve dinner as the main meal at midday, with supper as the late afternoon/early evening meal; while others may call their midday meal lunch and their early evening meal supper. Except for "breakfast", these names can vary from region to region or even from family to family. A study in 2016
Meal replacement Meal replacement A meal replacement is a drink, bar, soup, etc. intended as a substitute for a solid food meal, usually with controlled quantities of calories and nutrients. Some drinks are in the form of a health shake. Medically prescribed meal replacement drinks include the required vitamins and minerals. Bodybuilders sometimes use meal replacements, not formulated for weight loss, to save food preparation time when they are eating 5 to 6 meals a day. In the European Union, weight-reduction meal replacements intended either to supplement ("Meal replacement for weight control") or to replace totally ("Total diet replacement for weight control")