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Undenatured Whey Protein

Health Food for Glutathione Precursors

Your glutathione levels depend on the supply of three amino acids - Glutamate, Glycine and Cystine. Glutamate and Glycine are availble in most diets, but Cystine comes mostly from eggs, milk and cheese.

In the cooking of eggs and the processes used for pasteurization of milk and manufacture of cheese the composition of Cystine is changed to Cysteine.

While still a valuable protein, it no longer functions as a food for glutathione.

The best way to increase and maintain your GSH levels is to include these animal foods in your diet as these contain the amino acids required by the body to synthesize GSH.

As Dr. David L. Phillips, writes in Glutathione, A Protein Vital to Life, Part 2, "supplementing with oral glutathione won’t work. The glutathione in your cells needs to be made by your cells. Taking GSH orally, like a vitamin, is a waste of money. Your digestive system will break it down and little good will come of that effort."

Because of hydrolysis of glutathione by intestinal and hepatic gamma-glutamyltransferase, dietary glutathione is not a major determinant of circulating glutathione, and it is not possible to increase circulating glutathione to a clinically beneficial extent by the oral administration of a single dose of glutathione. (1)

Foods rich in the sulfur amino acids (e.g., eggs) are especially good sources. Another excellent food supplement is undenatured (non-heated) whey protein.

GSH precursors, such as cysteine, methionine and glutamine raise GSH levels to a minor degree, but all have side effects and are not well tolerated by most people.

Milk thistle, melatonin and lipoic acid can be helpful as well but the bio-response and degrees of bioavailability can vary widely.

Whey proteins seem to be the best method of obtaining the building blocks of glutathione. (2)

Breast-fed infants have high GSH levels and for the most part enjoy better health until about the age of 15 until their GSH level off to that of non-breast-fed infants. The whey content of raw milk contains several albuminous proteins that supply potent GSH precursors."

Whey is comprised of four major protein fractions and six minor protein fractions. The major protein fractions in whey are beta-lactoglobulin, alpha-lactalbumin, bovine serum albumin and immunoglobulins.

Each of these components have important disease-fighting effects. In addition, whey protein is easily digestible and lactose-free.

Whey protein has been called "the most immune-enhancing protein", as well as "the life-extension protein" by doctors and scientists alike.

Whey is loaded with nutrients and essential amino acids and is of value for those suffering from cachexia, or wasting syndrome, as its proteins are easily assimilated by the body.

Not all undenatured whey protein is manufactured or formulated in the same manner and the benefits may vary between products. Please do your due diligence when choosing one that is right for you.

The one we personally use and recommend has been used more often in clinical trials than any other whey product.

If you are allergic to milk protein, N-Acetyl Cysteine is an excellent option.

For more ways to boost your glutathione levels read the article
Food sources that boost glutathione naturally

Warning: Whey Proteins should not be consumed by people with an allergy to milk protein and products that boost immune response should not be consumed by organ transplant patients receiving immuno-suppressant therapy.


  1. The systemic availability of oral glutathione
    Witschi A, Reddy S, Stofer B, Lauterburg BH. [Eur J Clin Pharmacol. 1992;43(6):667-9.]
  2. Oral supplementation with whey proteins increases plasma glutathione levels of HIV-infected patients
    Micke P, Beeh KM, Schlaak JF, Buhl R. [Eur J Clin Invest. 2001 Feb;31(2):171-8.]

Reports on the Health Benefits of Whey Protein

Method of Intracellular GSH Enhancement: Undenatured Whey Protein Concentration
FDA slideshow on "The Role of Glutathione in Cell Defense, with References to Clinical Deficiencies and Treatment" by Thomas A. Kwyer, M.D.

Fighting Cancer With Whey
LE Magazine November 1997 - By Will Brink

Improved Cancer Treatment May Be Just a Glass of Milk A "Whey"
Press Release from the National Dairy Council

A New Whey to Prevent Cancer? (pdf)
Agricultural Research/October 2000 - By Thomas M. Badger

Whey Protein Concentrate and Glutathione modulation in Cancer treatment

The Whey It Is (pdf)
Read more about the different types of whey protein and its glutathione-enhancing effects in this article by
Will Brink

Whey Protein Power
LE Magazine March 1998 - By Will Brink

The Life Extension Protein that Fights Disease And Extends Lifespan
LE Magazine January 1996 - By Will Brink

Whey and Glutathione - Part III
Dr. James L. Holly

Health Enhancing Properties of Whey Proteins and Whey Fractions (pdf)
By Rosemary L. Walzem, R.D., Ph.D.
(A Monograph Published by U.S. Dairy Export Council®)

Bioactive Components of Whey and Cardiovascular Health (pdf)
By Sharon K. Gerdes, Dr. W. James Harper, Ph.D, Dr. G. Miller, Ph.D.
(A Monograph Published by U.S. Dairy Export Council®)

Whey, Immunity And AIDS
LE Magazine March 1998

The New Faces Of Whey
LE Magazine January 2002 - By Will Brink
Numerous studies on whey proteins demonstrate their potential for improving immunity, boosting glutathione and protecting against cancer.

The Benefits of Whey
Whey protein as cancer treatment adjuvant, antibiotic, and anti-aging agent

The Many Health Benefits of Whey Protein

The WHEY to a Longer Life!
by Dr. John Maher, A.B.A.A..H.P.

Are You Leading a Healthy 'Whey' of Life?
Courtesy of ARA Content, www.ARAcontent.com

Lactoferrin: The Bioactive Peptide that Fights Disease
LE Magazine October 2000 - By Will Brink

Unlocking the Secrets to Health & Fitness: WHEY PROTEIN
Protein is the building block of life. Essential to a balanced diet and strong muscles, both serious athletes and serious life extensionists use protein to enhance their health and performance.
LE Magazine October 1998

Ready Get Set GO - Get the best out of exercise while avoiding the hazards
LE Magazine February 2000 - By Will Brink

Exercise Enhancement and Risk Avoidance

Interview: A Conversation with Will Brink
LE Magazine May 1999
Brink is a recognized, well published expert Whey Protein. He maintains frequent contact with numerous scientists and medical doctors who research whey protein, and has become personally involved in conducting primary research on whey protein and athletes.

Dietary whey proteins and oxidative stress in the prostate
Kyle D. Kent. J. Bomser and W. J. Harper; Department of Food Science and Technology; The Ohio State University [View as HTML]
Digested WPI elevates intracellular GSH of human prostate cells. Digested WPI also protects against oxidant-induced cell death

Whey Protein - Product Abstracts

Whey Protein Abstracts
LE Magazine January 2002

Are There Hormones in Your Whey Protein?


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These statements have not been evaluated by the FDA. The reports or scientific reviews on this site are for the sole purpose of education and information. Products featured here are not intended to diagnose, cure, prevent or treat any diseases and should not substitute treatment by a registered medical practitioner. We do not claim that the products or dietary supplements mentioned can protect you from developing serious diseases and recommend that you never delay or forego regular screening, or forfeit the opportunity for early medical treatment that may be critical to survival. You are advised never to self-treat for a serious disease without benefit of a medical diagnosis or treatment. Never substitute your current treatment regimen, or forego or delay effective treatment if you have a serious and life-threatening illness. The information here may not represent current scientific research or accepted protocols and should be considered as 'dated' . It is not provided by medical professionals, is not intended as a substitute for medical advice, and should always be used in conjunction with professional medical advice. Please consult your physician before beginning any course of treatment. Additional Disclaimers and Warning About Supplement Use

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