Bio-Botanica, Inc. Rhubarb Root is a product under the plant family Polygonaceae, with the Latin name Rheum rhabarbarum. It contains anthraquinone derivatives, dianthrones, stilbenes, polyphenols, flavonoids, and chromones. This product is used in the food/beverage/dietary supplement functional categories of flavor enhancement, nutrient support, cardiovascular support, and digestive support. It also has applications in the cosmetic/personal care functional category for skin care and as a nutrient source.