Eat healthy and work out. Pay attention to how many calories you intake and lower that, as well as carbs. If you eat less than 30 carbs in a day and focus on protein, combined with a good work out routine you can lower your weight.
3 days of time is very less time to expect weight loss. The recommended weight to lose in 7 days is maximum 3 pounds, by healthy diet and exercises we might lose these 3 pounds.
You will lose weight and you will be hungry
If you weigh 215 pounds and fast for 7 days then you would lose several pounds. However, you would most likely regain weight once you started eating normally again. If you want to lose weight and keep it off, you need to exercise, change your eating habits on a long-term basis, and lose weight slowly and steadily.
you wont lose weight you may even put more on due to starvation
You can't - even if you starve yourself (which is dangerous) you could not lose that much weight in 7 days.
I have heard that drinking water can reduce the weight. But not sure abt the vitamins and 7 day stuffs.
It will lose 42 seconds in 7 days.
There is no safe way to lose that amount of weight in that time frame. 2-3 lbs is about the most you can safely lose in a week. If you managed to lose 10lbs in 8 days most of it would be water weight and would come back very quickly.
eating healthy foods exercing 7 days a week a lot or go see your nutritionist or doctor
If you want to lose a pound of fat and not water weight, it takes 3500 calories. So it takes 7 days of having a 500 calorie deficit to lose a pound of fat.
If you are 5'7" and 11 stone, you are in the normal range, but just to make sure you stay, you might want to lose a little bit of weight if you are male, or lose some (a few pounds) weight if you are female.
You cannot lose 7 pounds of body weight each day.