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  2. Arginine alpha-ketoglutarate - Wikipedia

    en.wikipedia.org/wiki/Arginine_alpha-ketoglutarate

    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]

  3. Pre-workout - Wikipedia

    en.wikipedia.org/wiki/Pre-workout

    In 1982, Dan Duchaine formulated the first pre-workout, called Ultimate Orange, in Venice, California. Ultimate Orange was commonly used among bodybuilders. [4]Between the late 1990s and early 2000s, consumers alleged that an active ingredient in Ultimate Orange, called Ephedra, caused high blood pressure, strokes, seizures, cardiac arrhythmia, and heart attacks.

  4. β-Alanine - Wikipedia

    en.wikipedia.org/wiki/Β-Alanine

    β-Alanine (beta-alanine) is a naturally occurring beta amino acid, which is an amino acid in which the amino group is attached to the β-carbon (i.e. the carbon two carbon atoms away from the carboxylate group) instead of the more usual α-carbon for alanine (α-alanine). The IUPAC name for β-alanine is 3-aminopropanoic acid.

  5. Arginine - Wikipedia

    en.wikipedia.org/wiki/Arginine

    L-arginine is recognized as safe (GRAS-status) at intakes of up to 20 grams per day. [51] L-arginine is found in many foods, such as fish, poultry, and dairy products, and is used as a dietary supplement. [52] It may interact with various prescription drugs and herbal supplements. [52]

  6. α-Ketoglutaric acid - Wikipedia

    en.wikipedia.org/wiki/Α-Ketoglutaric_acid

    α-Ketoglutarate is a component of the citric acid cycle, a cyclical metabolic pathway located in the mitochondria.This cycle supplies the energy that cells need by sequentially metabolizing (indicated by →) citrate through seven intermediate metabolites and then converting the eighth intermediate metabolite, oxaloacetate, back to citrate: [2]

  7. Beta-peptide - Wikipedia

    en.wikipedia.org/wiki/Beta-peptide

    β-alanine, an example of a β-amino acid. The amino group attaches not to the α carbon but to the β-carbon, which in this case is a methylene group.. Beta-peptides (β-peptides) are peptides derived from β-amino acids, in which the amino group is attached to the β-carbon (i.e. the carbon two atoms away from the carboxylate group).

  8. Arginine:glycine amidinotransferase - Wikipedia

    en.wikipedia.org/wiki/Arginine:glycine_amidino...

    L-Arginine:glycine amidinotransferase (AGAT; EC 2.1.4.1) is the enzyme that catalyses the transfer of an amidino group from L-arginine to glycine. The products are L-ornithine and glycocyamine, also known as guanidinoacetate, the immediate precursor of creatine. Creatine and its phosphorylated form play a central role in the energy metabolism ...

  9. D-Amino acid - Wikipedia

    en.wikipedia.org/wiki/D-Amino_acid

    L-amino acids are the mirror reflection of D-amino acids, and vice versa. In this example, alanine is depicted in the zwitterionic form at physiological pH. D-Amino acids are amino acids where the stereogenic carbon alpha to the amino group has the D-configuration. For most naturally-occurring amino acids, this carbon has the L-configuration.