Fabulous fiber from Lewis labs with instantly dissolving granules has a superb taste. Fiber comes from three sources: fruits, vegetables and grains. The most beneficial of each type of fiber has been selected and balanced to provide a concentrated supplement of unique quality for fabulous fiber. It has none of the harshness of bran, yet it delivers a more effective bulking function. In addition to bulk, fabulous fiber features the special benefits of pectin's, gums, hemicelluloses and polysaccharides found in fruits and vegetables which have the extraordinary bulking capacity of fiber normally present only in psyllium husks. Just as in nature, these fibers are combined with essential vitamins and minerals to give you the ultimate fiber supplement.