Nutrition information for rhubarb and tips on how toselect, store and prepare it. Fruits and vegetables are protective to health as they're helpful at reducing the. Wrongly, Rhubarb is often counted among the fruit species. This is essential oils, apple and citric acids and also the intestinal friendly pectin are rumoured to have health-promoting effects as well. You only can eat the stems of the rhubarb. Rhubarb is a perennial plant that has stalks similar to celery. Rhubarb can be Feel Good, Look Good with Fruits and Vegetables (E).