Their juice cleanse really works. The first day was a little tough-by the end of the first day I had a headache and was nauseous all night. I took that as a definite sign that I was detoxing which is what I wanted. The second day was much easier and I felt a lot better- and by the morning of the third day I felt really good- I also felt like I could keep going on this fast easily for another day or two at least- but unfortunately I had a dinner I had to attend that night so technically I only did it 2.5 days. It helped get rid of my cravings for unhealthy food and I felt like my mind was much more clear. Would definitely recommend either a 1 day or 3 day cleanse- I think there is still a great benefit to just a 1 day cleanse- and once you get past the second day it's really easy to do a 3 day cleanse- if you don't start to get sick of juice by then. Lol I hope to do a 1 day cleanse weekly for a while- or a longer 3-5 day cleanse when I get back from an upcoming trip. I just love how convenient and high quality their juice is too.