Creatine ethyl ester, also known as creatine ester, cre-ester and CEE, is a substance sold as an aid for athletic performance and for muscle development in . It is an derivative of , from which it is made. In the body, CEE is converted back into creatine. The ethyl ester is said to have a much better absorption rate and a longer in the body than regular , because it is slightly more . However, these claims have not yet been conclusively proven by independent research, and in fact a study presented at the 4th International Society of Sports Nutrition (ISSN) annual meeting demonstrated that that the addition of the ethyl group to creatine actually reduces acid stability and accelerates its breakdown to .
As a supplement, the compound was developed, patented and licensed through , the technology transfer entity of the , and is sold under numerous brand names.

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Flavor : Unflavored
Shelf Life : 2 Years
Packaging Type : HDPE Drum
Purity : 99%
Efficacy : Other, Promotes Antioxidant Activity, Improves Glucose Metabolism
Best Before : 24 Months from Manufacture
Flavor : Unflavored
Shelf Life : 36 Months
Packaging Type : HDPE Jar or Pouch
Purity : 99% Pure
Efficacy : Other, Muscle building, Improves exercise performance, Enhances energy production
Best Before : 36 months from manufacturing date
Flavor : Odorless (no added flavor)
Shelf Life : 3 years
Packaging Type : Fiber drum with double PE bags inside
Purity : 99%
Efficacy : Other, Promotes joint health, supports cartilage formation, may help relieve symptoms of osteoarthritis.
Best Before : 36 months from date of manufacture
Flavor : Unflavored
Shelf Life : 2 years
Packaging Type : HDPE Drum
Purity : 98%
Efficacy : Other, Promotes muscle growth and recovery, supports fat loss, enhances exercise performance
Best Before : 24 months from date of manufacture