Pullulan is a natural polyssaccharide produced by fermentation of of starch by a yeast like organism Aureobasidium pullulans. After the fermentation pullulan is isolated using filtration, without the use of any solvents. It’s globally accepted and safe. It’s an excellent film former and natural alternative for making capsules. Moreover pullulan capsules have an excellent oxygen barrier protecting your precious nutritional ingredients against oxidation so your customers can be sure of their supplement quality.