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Cysteine

Cysteine/NAC (N-acetylcysteine): Information

L-cysteine is a sulfur-bearing amino acid that occurs naturally in protein foods. When used as a supplement, N-acetylcysteine (NAC) is the preferred form of l-cysteine because it is more stable and more easily absorbed. Sufficient amounts of l-cysteine are usually available through the diet in such high protein foods as cottage cheese, yogurt, various meats, granola and wheat germ.

Health Benefits of L-cysteine and NAC

L-cysteine is a precursor to the antioxidant glutathione, which is severely depleted by toxic burdens placed upon the liver by drugs, alcohol, pollution, smoke and industrial chemicals. In a clinical setting, the NAC form of l-cysteine is sometimes used to counteract overdoses of specific substances like acetaminophen in cases of acetaminophen overdose.1 L-cysteine is also used by itself and in combination with other nutrients to support more robust hair growth; hair is about 8% cysteine by weight2

Using Cysteine and NAC

Use as directed. L-cysteine is available in capsule, tablet and powder form.

Side-effects and Cautions:

Mild gastrointestinal discomfort or rash may occur in some. May cause headaches, especially in those taking nitrates for the treatment of angina. Children or pregnant/nursing women should not take l-cysteine or NAC except under the advice of a physician. l-cysteine or NAC supplements are not recommended for those prone to kidney stones.

References:
1. Toxicology. 2008 Feb 3;244(1):25-34. Epub 2007 Nov 7.
2. J Invest Dermatol. 1993 Jul;101(1 Suppl):56S-59S.

Body First

NAC (600mg)

2 Options from C$17.29 - C$31.71

ディスカウント% up to 58%

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Body First

NAC (1000mg) 120 tabs

セール価格 C$22.91

ディスカウント% 71%

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NAC with Selenium

2 Options from C$16.57 - C$29.98

ディスカウント% up to 57%

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NAC (1,000mg)

2 Options from C$12.82 - C$18.44

ディスカウント% up to 63%

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N-A-C Sustain (600mg) 60 tabs

セール価格 C$20.17

ディスカウント% 46%

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L-Cysteine (500mg)

2 Options from C$13.97 - C$15.41

ディスカウント% up to 52%

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NAC - N-Acetyl-L-Cysteine (500mg) 60 vcaps

セール価格 C$12.96

ディスカウント% 44%

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NAC Pure Powder 4 oz

セール価格 C$22.91

ディスカウント% 47%

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Source Naturals

N-Acetyl Cysteine 180 tabs

セール価格 C$38.92

ディスカウント% 51%

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Source Naturals

N-Acetyl Cysteine (600mg) 120 tabs

セール価格 C$25.94

ディスカウント% 40%

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Healthy Origins

NAC N-Acetyl Cysteine 240 tabs

セール価格 C$43.24

ディスカウント% 48%

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