Benefits of the black cherry juice or tart cherry juice? The biggest difference between these two cherries and the juices these different varieties produce is the amount of sugar or fructose. Fructose is naturally occurring sugar. Fructose, or fruit sugar, is a simple monosaccharide found in many foods. Fructose, glucose and galactose are three vital monosaccharides. It is the most water soluble of al of the sugars. Here just a few of the fruits that include berries, melons, honey, etc. So what are the benefits of black cherry juice? Since it is part of the cherry family, it does offer similiar benefits as the tart cherry juice. However, the majority of the research of late has been conducted on the tart variety and not so much of the black or sweet variety. Thus, if you are looking for proven research and quantity amounts of research to read to learn about the natural health benefits of the cherry juice and want the one with the majority of research lately, consider the tart rather then the black.