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Studies link creatine to enhancement in energy levels (through the production of ATP, which is a primary action of creatine), maintenance and growth of muscle mass, and enhancement to brain health ...
Creatine supplements are marketed in ethyl ester, gluconate, monohydrate, and nitrate forms. [40] Creatine supplementation for sporting performance enhancement is considered safe for short-term use but there is a lack of safety data for long term use, or for use in children and adolescents. [41] Some athletes choose to cycle on and off creatine ...
The idea of the creatine phosphate shuttle was suggested as an explanation for altered blood glucose levels in exercising diabetic patients. [5] The change in blood glucose levels were very similar to the alterations that would occur if a diabetic patient would receive a shot of Insulin.It was then proposed that contraction of myofibrils during rigorous exercise freed creatine which imitated ...
Creatine-alpha-ketoglutarate is a salt formed from alpha-ketoglutaric acid (AKG) and creatine. Creatine is a mass-produced fitness supplement that is supposed to increase the user's muscle mass, strength and power. Creatine requires a delivery system for cell uptake. [citation needed] An example is arginine alpha-ketoglutarate.
L-Arginine:glycine amidinotransferase catalyses the first, which is also the committed step in the formation of creatine. The second step of the process, producing the actual creatine molecule, occurs solely in the cytosol, where the second enzyme, S-adenosylmethionine:guanidinoacetate methyltransferase (GAMT), is found.
Creatine is produced by the enzyme guanidinoacetate methyltransferase (GAMT). After production in the liver and kidneys, creatine is transported to organs and tissues with high energy demands, most commonly the brain and skeletal muscles. In addition to endogenous production, creatine can be obtained from dietary sources or supplementation.
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