Ribose occurs naturally in all living cells. It is a simple sugar that begins the metabolic process for ATP production. D-Ribose works synergistically with, and enhances the benefits of, creatine supplements.* NOW sells creatine in powder, capsule and tablet form. Contains no: salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives. Vegetarian/Vegan Product. Bioenergy RIBOSE is a trademark of Valen Labs, Inc. Use of ribose is licensed by Valen Labs, Inc. under U.S. Patents 6,159,942; 6,534,480; 6,218,366; 6,339,716, and other U.S. and foreign patents issued and pending. This product is sold by weight not volume. Caution: Do Not Eat Freshness Packet Enclosed. Store in a cool, dry place. Please Recycle.