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Brand: Now Foods     Categories: Glutathione / L Glutathione


 

Glutathione 500mg

 

Glutathione is a tripeptide, consisting of the three amino acids, cysteine, glutamic acid, and glycine. Glutathione is found and manufactured in every cell in the body, but is found in highest concentrations in the heart, muscle tissue and the liver. Glutathione is critical for healthy immune system function and necessary for various liver detoxification processes. Glutathione also acts as an antioxidant that acts to prevent oxidative stress in most cells and help to trap free radicals that can damage DNA and RNA, Milk Thistle Extract and Alpha Lipoic Acid are included to enhance Glutathione's liver supporting properties.*


NOW's Glutathione is a high potency material manufactured to rigorous standards. The term "reduced" refers to the non-oxidized stable form of Glutathione.

Item#

Brand

Name

Size

Form

Retail

Price

 

14450

Now Foods

Glutathione 500mg

60

Vcap

$43.99

$24.99

 

 



Glutathione 500mg

Glutathione 500mg  60  Vcap


Supplement Facts

Serving Size: 1 Vcap

Amount per
serving
% Daily*
Value

Glutathione (Reduced Form)

500

mg

**

Milk Thistle Extract (Silybum marianum) (Standardized to min. 80% Silymarin) (Seed/Fruit)

100

mg

**

Alpha Lipoic Acid

50

mg

**

**Daily value not established.


Suggested Usage: As a dietary supplement, take 1 Vcap® daily preferably with meals. Consider taking this product in combination with NOW® Tru-E BioComplex™, Tru-C BioComplex™ and Natural Resveratrol.


Other Ingredients: Cellulose (capsule), Cellulose, Magnesium Stearate (vegetable source) and Silica. Vegetarian/Vegan Product.


Contains no: sugar, salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives.


Vcaps® is a registered trademark of Capsugel.

 

Reprinted with permission from www.hsibaltimore.com, Health Sciences Institute e-Alert, February 16, 2005


Your liver just needs a little coaxing. That's the implication of a study that examined the effects of vitamin E supplementation on the production of glutathione in laboratory rats.


As I've mentioned in previous e-Alerts, glutathione is an amino acid molecule that's also a powerful antioxidant and a key player in keeping the immune system strong. In this recent study (conducted by DSM Nutritional Products), researchers found that vitamin E stimulates two of the most important enzymes required to prompt the liver to produce glutathione. The trial suggested that the production of glutathione is "significantly enhanced" by vitamin E intake.


Further trials will be necessary to confirm that vitamin E has the same effect on humans. In the meantime, there are other steps we can take to insure that the liver is getting all the encouragement it needs to keep up the production of glutathione.


One of the most interesting things about glutathione is that it is found in every cell of the body (most notably in immune system cells), which is one of the reasons why its antioxidant action is so effective in protecting against disease and repairing damage throughout the body. In addition, glutathione is believed to protect other antioxidants (among them, vitamins C and E) from oxidizing, prolonging and enhancing their effectiveness. It also acts directly against certain carcinogenic substances by binding to these toxins and eliminating them through urine or bile.


Obviously, this is one hard-working antioxidant. But all of this effectiveness comes at a price. Because when the immune system is taxed (by everything from pollution, to poor diet, infection, drugs, radiation, emotional stress, and all types of trauma), stores of glutathione become depleted. Also, as we grow older, glutathione levels drop and need to be replaced.


But that is easier said than done.


In the e-Alert "A Measure of Comfort" (10/29/02), I told you about a study in which cancer patients received glutathione intravenously along with chemotherapy, significantly reducing the nerve damage caused by chemo. And although this is an effective means to receive glutathione, intravenous delivery is far from practical for the average person's needs.


On the HSI Forum, member Naturalee gives a good account of how NOT to try to replace glutathione: "Taking glutathione orally is generally ineffective because evidently the molecules are too big to pass through the intestinal walls to the blood stream. I have read that taking the amino acid NAC (N-acetylcysteine) can act as precursor for the formation of more glutathione."


Exactly right. In another e-Alert ("Storm of the Eye" 10/9/02), I examined NAC, and noted its remarkable ability to enhance the production of glutathione. NAC is widely available in health food stores, and while I've seen studies where as much as 300 mg per day was used, only half that amount is typically recommended. These studies also report side effects of dizziness, headaches and intestinal symptoms among about 20% of participants who took 600 mg per day - so if you do try an NAC supplement, don't over do it. And, as always, it's a good idea to consult your doctor before starting a new regimen of supplements.


The food sources that deliver glutathione precursors are meats and fresh fruits and vegetables. But even with a diet high in the proteins that supply glutathione amino acids, one of those amino acids - cysteine - is more difficult than the others to come by. A natural food component with high concentrations of glutathione precursors (including cysteine) is milk-serum-protein concentrate - more simply known as whey.


For those who avoid dairy in their diets, whey will not be an answer. For others, however, the proteins found in milk whey (serum albumin, alpha lactalbumin, and lactoferrin) all contribute to the effectiveness of the glutathione precursors.


In a Members Alert we sent you several years ago ("How Whey Can Keep Your Immune System From Failing" 10/1/97), we told you about a Canadian product called Immunocal which is more concentrated in cysteine than other whey products. And Immunocal (easily found through various Internet sources) contains no milk sugars, so is far less likely to trigger a lactose-intolerance reaction. Unfortunately, Immunocal is a little on the expensive side, so daily use as a preventive may not be practical for everyone. But even if you don't take it daily, it can still be effective as a standby for those times when your immune system needs replenishment.


Sources:

"Glutathione: New Supplement on the Block" Alison Palkhivala, www.WebMD.com, 7/30/01

"Glutathione" Michael W. Davidson, Florida State University, January, 2003

 

 


 






 
 

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*Statements on this site have not been evaluated by the Food and Drug Administration. 
Products on this site are not intended to diagnose, treat, cure, or prevent any disease. 
Prices are subject to change at anytime and without notice. 
The majority of the product information has been reprinted from the manufacturer.