To offset this disadvantage this phase is short (one week) and non-extendable so that the rapid weight loss stops at this stage.
Why remove the vegetables? To make the system more efficient because ingested proteins contain more fat and / or more sugars: therefore we remove the vegetables to reduce any additional carbohydrate intake, although these are vegetables which are nutritionally more interesting. primal burn
An argument can be worth: the inconvenience to eat only "powder"
But it is relative: the protein products have improved gustatorily well, tastes and textures are varied and can cook them just to enhance the flavors (see recipes).
Regarding the price, just compare the price of a bag with the price of the same amount of animal protein, such 120grammes chicken breast good quality (low water content), in most If it is the most expensive animal protein.
The cons-protein diet with indications of bags should also be applied to protein diets "food" strict (Phase 1 and phases 2)
Ketosis obtained during Phase 1 of the high protein diet can only be achieved with bags still with difficulty during a high protein diet "natural" because foods have more variability in composition that the bags.