chrisb1
tmichelsea,
I agree with the response in this thread to your original post, and especially with the member Donn's/Chirons reply.
You will in fact be on a "liquid-diet" which unless it is comprehensive nutritionally, can easily lead to malnutrition in one form of deficiency or another.
Water-fasting on the other hand does not lead to nutritional deficiencies unless carried too far into the starvation period.
I don't believe anyone is judging you, but I think your post might have been more relevant in the Juice-fasting forum, after all, this is a "Water-fast-support-forum" and where your post might have been better addressed as O/T or off/topic.
If your sole aim is to lose weight as a "must must must" then water fasting, even with the addition of a vitamin/protein mix, is not an ideal choice. In addition, a metabolism-increasing-lemonade-powder will be counterproductive to the efforts of your body, which will be attempting to lower your rate of metabolism with calorie-restriction.
You will be much better off with adopting a juice-fast (or juice-feast) as I often refer to it as, without the consequences of possible malnourishment. This will also maintain a higher to normal rate of metabolism, which, with the addition of exercise will achieve a greater weightloss than your current plan.
With all due respect to your MD brother, he will know very little about fasting/nutrition and its consequences/benefits unless he has interned under Dr Joel Fuhrman MD who is an expert on this subject.
http://books.nap.edu/openbook.php?record_id=597&page=95
Chrisb1.