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Assuming you aren't a nutritional expert (or doctor or biologist), did you bother to do _any_ research? I'm no expect, so I looked up "starvation diet". It brought me to the main wiki pain on dieting. This is what it says about "Very low-calorie diets": "They subject the body to starvation and produce an average weekly weight loss of 3.3–5.5 lb." If 5.5lb a week is the result of starvation, what might 7lbs/week be? I…
Biochemically speaking, ketosis is starvation. Once you exhaust your livers supply of glycogen (within 24 hrs usually) you begin the metabolic changes to gear up to burn muscle for ketogenesis. This involves secretion of enzymes that will break muscles down. I would presume, however, that when adequate (or some) caloric intake is maintained, esp in the form of amino acids, that this liberation of aa's from muscle is…
You may be thinking of gluconeogenesis.