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Arginine alpha-ketoglutarate (AAKG) is a salt of the amino acid arginine and alpha-ketoglutaric acid. It is marketed as a bodybuilding supplement. [1] Peer-reviewed studies have found no increase in muscle protein synthesis or improvement in muscle strength from use of AAKG as a dietary supplement. [1] [2] [3]
A review of clinical trials concluded that oral arginine increases growth hormone, but decreases growth hormone secretion, which is normally associated with exercising. [42] However, a more recent trial reported that although oral arginine increased plasma levels of L-arginine it did not cause an increase in growth hormone. [43]
Therefore, before l-arginine is supplemented at a clinical level, it is important to determine, in detail, those clinical conditions which are accompanied by l-arginine deficiency. 1: Siasos G, Tousoulis D, Vlachopoulos C, Antoniades C, Stefanadi E, Ioakeimidis N, Zisimos K, Siasou Z, Papavassiliou AG, Stefanadis C.
l-Arginine l-pyroglutamate, also known as pirglutargine and arginine pidolate, is the l-arginine salt of pyroglutamic acid. Arginine pyroglutamate is a delivery form of arginine. Physical and chemical properties
In enzymology, a tyrosine—arginine ligase (EC 6.3.2.24) is an enzyme that catalyzes the chemical reaction. ATP + L-tyrosine + L-arginine AMP + diphosphate + L-tyrosyl-L-arginine. The 3 substrates of this enzyme are ATP, L-tyrosine, and L-arginine, whereas its 3 products are AMP, diphosphate, and L-tyrosyl-L-arginine.
Chemical formula: C 6 H 14 N 4 O 2 Molar mass: 174.2 g·mol −1 Systematic name: 2-amino-5-(diaminomethylidene amino)pentanoic acid Abbreviations: R, Arg Synonyms: 2-amino-5-guanidinopentanoic acid
In enzymology, an arginine—tRNA ligase (EC 6.1.1.19) is an enzyme that catalyzes the chemical reaction. ATP + L-arginine + tRNAArg AMP + diphosphate + L-arginyl-tRNAArg. The 3 substrates of this enzyme are ATP, L-arginine, and tRNA(Arg), whereas its 3 products are AMP, diphosphate, and L-arginyl-tRNA(Arg).
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.