Juice fastfast scam.
It's going to be mostly water weight so my guess would be about 5-10 pounds. But they will come back fast and your metabolism will be slowed way down.
Trust Me Hunni, Fasting is not the way to go.
Doing 30-60 Minutes of excersize every day will make you lose 1-2(half a kilgram - a kilgram) pounds a week depending on whether the activity is...