"I want to know if exercising on this liquid for at least 30 minutes a day really speeds up the process."
No. Eating fewer calories and burning more will not cause you to lose weight faster. In fact, doing so will likely shock your system into slowing your metabolism down, and holding on to the fat you do have. Exercise requires fuel, and right now, you aren't providing enough fuel for your body to function on a day-to-day basis.
"I want to try it out but I don't want to feel extremely tired or drained. Has anyone ever exercised on a liquid?"
Many people have. Exercise bulemics and anorexics are fond of this particular method. It's not safe, nor recommended by Sparkpeople experts, and puts you at risk for complications.
The problem with these short term fast diets is that they are not helping you learn anything for life. Diets don't work. 80% (or more) of people who diet not only gain the weight back, but MORE. What you're doing when you do this sort of thing is essentially tricking your body into thinking it's starving (in this case, it IS). What happens is that when you return to normal eating patterns, your body puts MORE weight on to guard against future famine.
In other words, your short term success NOW will result in greater weight gain later.
Meal replacement shakes are fine as a part of a healthy diet with enough calories to sustain bodily function. However, when you are replacing ALL food and restricting your intake so low, you are doing several negative things to your body:
Without enough fat, your body cannot adequately absorb the few nutrients you are getting. You are starving your cells of needing nutrition. This can result in vitamin deficiencies.
You are increasing your risk of depression. Without adequate nutrition, your brain's function is literally depressed, and more stress hormones are excreted.
Your body is burning everything EXCEPT your stored body fat. It's holding on to every bit of fat it can, because you're starving it. But muscle and organ tissue is fair game. Yes, even on a short-term diet. And as I explained above, when you return to normal eating habits, your body will pack on more pounds and fat as a result.
You are not losing fat right now. You've shed lots of water weight, and what little actual weight you've lost is likely to be from sources you don't want it to come from.
Diets don't work. Research has shown this time and time again. Among the other risks you're courting right now: Gallstones, hair loss, bone mass loss, muscle tissue loss, depressed immune system, increased cancer risk, and much, much more.
There are no advantages to this diet.
Writer, mother, wife, and breadwinner. I love to run, but running doesn't love me, so I'm switching to my low-impact bike.
I'm not pregnant, just fat: My blog. fatnotpregnant.blogspot.com/
| current weight: 185.0