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Levels of Paleolithic diet.
| Levels | Description | Reference |
| Level 1: Entry level | 3 open meals*/week Addition of some transitional foods** for the sake of improving compliance |
(8) |
| Level 2: Maintenance level | 2 open meals/week No transitional foods allowed |
|
| Level 3: Maximal weight loss level | 1 open meal/week |
*Open meal; flexible meals including foods from not avoid list, intended to improve the adherence to diet **transitional foods; food items that don’t meet Paleo rules.
