No Sugar Added. Clinically Proven for Appetite & Weight Control. PGX (PolyGlycopleX) is a precise blend of naturally occurring water-soluble polysaccharides (fibers) that together, have highly unique and desirable properties for weight loss and overall good health. Reduces appetite control comfortably and safely. Reduces food cravings. Balances metabolism. Improves regularity. Maintains glucose levels already within normal range