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. Not manufactured with wheat, gluten, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Contains soy. 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. Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. Do Not Eat Freshness Packet. Keep in Bottle. Store in a cool, dry place. Please Recycle.