* Pure Liquid * Dietary Supplement * Concentrated Extract NuNaturals Lo Han Guo is the extract of a very sweet fruit. The perennial vine is native to the Guangxi province in southern China where the mountains of Guilin in this region provide the ideal growing environment, allowing it to thrive in warm, shaded mist. Lo Han Guo"s sweetness comes primarily from its mogrosides (a group of terpene glycosides) that are approximately 250 times sweeter by weight than sucrose. This extract has zero calories and zero glycemic impact so it is safe for diabetics and hypoglycemics to use.