This is a tricky one to answer because we’ve had lots of people say they don’t feel hungry, and some that say they were starving. A lot of it is psychological. You are getting enough calories to function during the cleanse and you will be drinking a minimum of 2.66 liters. If you keep yourself distracted and manage your hunger by having the juices and mylks when you need them, you should be able to push through without feeling starving. We tend to find day 1 the hardest.