The Bottom Line

Most of these juices do not have any compelling evidence that show that they do what they claim. Most of the claims put forth by these manufacturers are backed not by studies, but by testimonials of people who have used them that claim extraordinary results. All in all, most of these juices (with the exception of Noni) do not appear to have any harmful side effects so consuming them will probably not hurt, however, it is important to remember juices can be high in calories and that consuming too much of any juice can thwart weight loss or weight maintenance plans if one is not careful. Unknown drug interactions is also a potential problem with these juices. Pregnant women should avoid these juices as side effects for these substances has not been clearly established.