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Life Extension - Glutathione Cysteine & C 100 Vegetarian Capsules Life Extension - Glutathione Cysteine & C 100 Vegetarian Capsules

SKU: 37870-15411    UPC: 737870154112

Suggested Retail Price: $20.00  SRP
Our Price: $15.95    Save 20%
  (Web price as of 10/07/15...not applicable to in-store purchases)


Quantity:   4 IN STOCK     

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Life Extension Glutathione, Cysteine & C 100 Vegetarian capsules
L-cysteine is a conditionally essential amino acid, one of only three sulfur-containing amino acids, the others being taurine (which can be produced from L-cysteine) and L-methionine (from which L-cysteine can be produced in the body by a multi-step process). Cysteine plays a role in the sulfation cycle, acting as a sulfur donor in phase II detoxification and as a methyl donor in the conversion of homocysteine to methionine.1-3 Cysteine also helps synthesize glutathione, the body's most important intracellular antioxidant and a vital detoxifier.4-7

Glutathione (L-gamma-glutamyl-L-cysteinyl-glycine) is a peptide 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,8 helping to detoxify xenobiotics.9-12 A major function of vitamin C is to keep glutathione in its reduced form so that it can continue to provide free radical-quenching effects.13-16

Vitamin C, or ascorbic acid, is a white, crystalline, water-soluble substance found in citrus fruits. As an antioxidant, vitamin C scavenges free radicals in the body and protects tissues from oxidative stress.17-24 Vitamin C also promotes the absorption of iron, while preventing its oxidation.25,26 Vitamin C is a vital cofactor to the formation of collagen, the connective tissue that supports arterial walls, skin, bones, and teeth.20-22

Supplement Facts

Serving Size 1 vegetarian capsule
Amount Per Serving

Vitamin C (as ascorbic acid) 500 mg

Setria L-Glutathione (reduced) 50 mg

L-Cysteine Hydrochloride 200 mg

Other ingredients: vegetable cellulose (capsule), microcrystalline cellulose, ascorbyl palmitate, silica, medium chain triglycerides.

Setria is a registered trademark of KYOWA HAKKO BIO Co., Ltd.

Dosage and Use: Take one (1) capsule one to three times daily on an empty stomach, or as recommended by a healthcare practitioner.


Do not purchase if outer seal is broken or damaged.
When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

1. Mol Pathol. 2003 Oct;56(5):270-4.
2. Eur J Hum Genet. 2003 Jan;11(1):23-9.
3. Acta Biochim Pol. 2004;51(2):405-13.
4. Biol Chem. 2009 Mar;390(3):191-214.
5. Aviat Space Environ Med. 2008 Dec;79(12):1106-11.
6. Int J Gen Med. 2011 Jan 25;4:105-13.
7. Cardiovasc Toxicol. 2011 Mar;11(1):1-9.
8. Antioxid Redox Signal. 2011 Oct 1;15(7):1957-97.
9. Mutat Res. 2005 Dec 11;591(1-2):74-92.
10. FEBS Lett. 2005 Aug 1;579(19):4081-7.
11. FEBS J. 2009 Jan;276(1):58-75.
12. Toxicol Sci. 2007 Dec;100(2):513-24. Epub 2007 Sep 22.
13. Clin Chim Acta. 2003 Jan;327(1-2):187-8.
14. Proc Natl Acad Sci USA. 1991 Jun 1;88(11):4656-60.
15. Plant Physiol. 2011 Jan;155(1):2-18.
16. Am J Clin Nutr. 2000 May;71(5):1194-200.
17. Biochim Biophys Acta. 2012 Dec;1826(2):443-57.
18. Redox Rep. 2010;15(1):11-9.
19. Adv Nutr. 2011 Mar;2(2):78-88.
20. Altern Med Rev. 2003 Nov;8(4):359-77.
21. J Invest Dermatol. 2002 Apr;118(4):565-72.
22. Radiat Environ Biophys. 2007 Mar;46(1):61-8.
23. Free Radic Biol Med. 2007 Sep 1;43(5):853-9.
24. PLoS Negl Trop Dis. 2012;6(7):e1729.
25. Br J Nutr. 2003 Dec;90(6):1081-5.
26. Am J Clin Nutr. 2006 Oct;84(4):830-4.

The statements included above have not been evaluated by the FDA or Total Health. This product is not intended to diagnose, treat, cure or prevent any disease.

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