BioFiber Complete is a comprehensive fiber supplement containing a combination of soluble and insoluble fibers derived from whole seeds, fruits, vegetables and roots, designed to upregulate the health of the microbiome.* It is high in phytonutrients (sulfurophanes) and antioxidants, is over 70% organic, and is free of phytates and gluten. BioFiber Complete has no added flavors, sweeteners or colors, mixes well, and tastes great.