With Green Coffee. Yacon Powdered Weight Loss Formula. Curbs Appetite, Promotes gut health, provides blood sugar support, helps eliminate toxins. Yacon, also known as Peruvian Ground Apple is an edible root very popular in South America. Experts believe that Yacon is also the world's richest natural source of FOS Fructo-oliosaccharides- natural prebiotics. The Yacon FOS Fructo-olisaccharrides when ingested, are transported to the colon where they stimulate the production selected probiotics (especially Bifidobacterium and Lactobacillus) to help balance gut flora and aid digestion. Other benefits noted with Yacon root supplementation include increased production of beneficial short-chain fatty acids such as butyrate, increased absorption of calcium and magnesium, and improved elimination of toxic compounds.