There is no evidence that losing weight
fast accelerates the loss of lean tissue
When losing weight, research demonstrates that
75% of the weight lost on a very-low-calorie diet is from body-fat
stores and 25% lean body mass.
Saris H.M (2001). Very-low-calorie-diets
and sustained weight loss. Obesity Research 9: supplement 4, pp295
– 5301.
This is likely to be because weight is gained
in the ratio of 75% fat to 25% lean tissue (the additional muscle
and bone needed to carry the extra fat around). When you lose
weight you no longer need the lean tissue gained to support the
excess weight, so you’d expect this to be lost.
After
a few days on a low carbohydrate diet you’ll go into ketosis.
While in ketosis, as long as you maintain an
adequate intake of protein your body will burn fat for energy. If
an adequate level of protein isn’t maintained your body may break
down muscle to provide an energy source.
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Maintained since October 2006
Waist was: 46" now: 32"