N-acetyl-L-cysteine and L-cysteine
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N-acetyl-L-cysteine (or NAC) and L-cysteine are powerful
amino acid antioxidants. Cysteine is an important source of
sulfur in human metabolism. N-acetyl-L-cysteine assists in
the production of glutathione in the body. Glutathione is one of the most important antioxidants. N-acetyl-L-cysteine
is the acetylated form of L-cysteine, which renders it more
absorbable. It is used as an antidote for acetaminophen and
other chemical poisoning. N-acetyl-L-cysteine is also used
in cough syrups due to its mucolytic properties. It naturally
lowers the viscosity of the mucus, making it easier to break
up.
Cysteine deficiency can lead to decreased production of peptide
glutathione, leading further to edema, liver damage, muscle
loss, lethargy, skin lesions, and weakness.
L-cysteine can be found in cheese, yogurt, pork, turkey,
duck, eggs, wheat germ, and vegetables.
Health benefits of NAC/L-cysteine
- Powerful antioxidant
- Important for production of glutathione
- Supports normal immune system
- Used as an antidote in poisoning emergencies
- Has detoxifying properties
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Principal Author: M. Ofiyeva
Date of Initial Publication: 07/05/2007
Last Updated: 09/22/2007
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