Cranberry (Vaccinium macrocarpon) is a shrub found in acidic bogs throughout the cool regions of the northern hemisphere. Cranberries have a long history of culinary use in Europe and North America and have been employed by traditional herbalists for centuries. Cranberries are packed with polyphenols, tannins, and other phytonutrients that have been researched for their role in urinary tract health.* NOW Cranberry Caps are also rich in vitamin C.