Camu camu myrciaria dubia is a small tree native to the amazon basin it produces cherry sized fruit which contains the most concentrated source of vitamin c1 of any other known fruit on earth the health benefits associated with vitamin c come not only from ascorbic acid but from the synergistic interaction of bioflavonoids and numerous phytonutrients in a foodform state the key advantage from taking a natural vitamin c supplement such as camu camu is that it is gentle on the stomach and eas