Drinking water frequently throughout the day does have the effect of helping to speed up your metabolism slightly. Water fasting can be beneficial for a couple of days but any more than that your body will actually hold onto the fat and use your muscle tissue as a source of energy since it contains necessary amino acids for proper body function.
Long term water fasting is just not healthy and not ideal for losing fat. Here is a guide to
the best way to burn fat, if you can stick with this program you will lose fat and do it in a healthy way.
John
Attracting People.com