D-Ribose is the fundamental building block of ATP, the energy molecule. Ingredients D-Ribose Suggested Use one (1) to three (3) teaspoonfuls daily, mixed with 250 ml water, taken with meals, or as directed by a healthcare practitioner. Warnings If you are pregnant, nursing, taking any kind of medication or have a medical condition, please consult your healthcare practitioner before taking this product. Keep out of reach of children. Food supplements should not be used instead of a varied balanced diet & healthy lifestyle. DO NOT USE IF OUTER BOTTLE SEAL IS MISSING, TORN OR DAMAGED IN ANY WAY.