NOW® L-Cysteine ​​is a non-essential amino acid, an important component of hair, nails, and skin.

L-cysteine ​​stabilizes the structure of proteins and helps in the formation of collagen.

L-cysteine ​​performs several functions in the body.

It is used to make L-taurine and L-glutathione.
Taurine plays an important role in the functioning of the nervous system and helps regulate blood pressure, and maintain good vision while helping thermogenesis (fat burning) and muscle building.

Glutathione is critical to immune system function as it is a powerful antioxidant that ensures healthy cellular function.
L-cysteine ​​supplement intake elevates NAC - N-acetyl cysteine. NAC is known to increase blood glutathione levels and maintain muscle mass.

L-cysteine ​​can also be converted to glucose when blood glucose levels are low and this conversion can enhance athletes' endurance and help prevent muscle catabolism.
Physical exercise is known to increase oxidative stress and this can lead to immunosuppression. L-cysteine ​​can help speed recovery.

L-Cysteine ​​supplements may be most effective when used in combination with vitamin E, vitamin C, vitamin B6, and calcium and selenium.
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