Originally Posted by davej323
the reason you lose weight while fasting is that your body is mobilizing both your fat stores and your lean muscle mass. That might bring you a lower number on the scale, but at the cost of muscle deterioration.
The exception to this is if you strength train regularly. And by strength train, I mean lifting heavy weight for 10 reps or less per set. Your body adapts to hold on to muscle mass if it knows it's going to need it again soon, even if you IF (fast intermittently).
1) eat real food - more vegetables, moderate meat, moderate fruits, less grains, less sugar, less vegetable oils.
2) exercise - moderate intensity cardio, sprinting, heavy lifting, dedicated stretching and mobility.
3) live - relax, de-stress, meditate.
Disclaimer: I'm not professionally qualified to make any formal recommendations. I've just done my homework and I'm my own guinea pig. All of my data, unless otherwise cited, comes from a sample size of n=1 (me).