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Twinlab's NAC is an excellent free form amino acid. NAC, or N-Acetyl-Cysteine is a precursor of Glutathione in the body and is protected and sulfur-containing. NAC comes in capsules that are easier to swallow than many other tablets or pills and easily assimilate.
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Each capsule provides 500 mg of L-Arginine (from L-arginine hydrochloride, L-arginine). As an Amino Acid, L-Arginine acts as one of the building blocks for protein.
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Gamma-aminobutyric acid, abbreviated as GABA, is an amino acid that is produced in the brain. It is formed by glutamic acid in the body with the help of vitamin B6, and prevents nerve cells from firing too much and, thus, having a claming effect. As such, GABA serves as a neurotransmitter.
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Glutathione (gamma-L-glutamyl-L-cysteinyl-glycine) is a peptide (short protein)-like molecule synthesized in the body from the three amino acids L-glutamic acid, L-cysteine, and glycine. Glutathione is one of the body's most important and powerful antioxidants. A major function of vitamin C is to keep glutathione, L-cysteine, and N-acetyl-cysteine in reduced form so that they can continue to have their powerful free radical quenching effects.
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