The Story, The Breakthrough
In 1994, Dr. Robert H. Keller founded the state-of-the-art medical clinic, The BIODORON Institute of Advanced Medicine, specializing in cutting edge treatment for immune system disorders and anti-aging. After reviewing subject lab results for years, Dr. Keller noticed a trend: significantly low levels of uric acid in subjects with immune disorders. His initial research into this finding concluded that uric acid is the last antioxidant at the body's disposal when all the normal antioxidants have been exhausted. Dr. Keller, a strong advocate of nutrition, sought the answer to one question: If uric acid is the body's last defense, then what is the first? His investigation led him to the substance called glutathione.
Glutathione (GSH): The Master Antioxidant
Dr. Keller discovered that the most prevalent, powerful and multifunctional antioxidant in the human body – employed by every organ – is reduced glutathione.
With the requisite precursors, Glutathione (GSH) is a small protein produced naturally in our cells. It is a major defense system against illness and aging as it functions both as an antioxidant and an antitoxin and. Our glutathione level can indicate our state of health and predict longevity.
The Test
After learning of the importance of GSH, Dr. Keller needed to test the hypothesis that the levels of GSH in subjects with immune disorders were, in fact, severely diminished. Using a state-of-the-art medical laboratory, Dr. Keller and his team of scientists developed a proprietary lab test to measure levels of GSH inside the lymphocytes (activated cells).
The tests confirmed the hypothesis: People who are stressed, aging, lacking sleep, or with any prolonged illness utilize glutathione at an accelerated rate resulting in decreased bodily stores, weakened defenses, and increased risk of illnesses including accelerated aging.
The Challenge
How does one replenish GSH levels in these subjects? Glutathione is produced naturally from three amino acids: glycine, glutamine, and cysteine. These essential precursors of GSH must be able to make it from the mouth to the gut, then through the cells walls and subsequently the mitochondrial membrane. There lies the challenge.
Unfortunately, we can’t raise our body’s GSH level with ordinary foods or pure L-glutathione, this protein is instantly broken down during digestion into its three amino acids. Cysteine, or N-acetylcysteine (NAC), is the most important of these precursors and is the main limiting factor necessary for the body to manufacture GSH. Alone in the gut after digestion, cysteine is treated as a free radical and rapidly oxidized. Consequently, only a very small percentage reaches our bloodstream and cells.
Furthermore, since GSH is always in great demand and is rapidly consumed, any GSH that is made will be used up quickly making it even more difficult to increase this level.
The Solution: MaxGXL™
After years of research and development, Dr. Keller and the Max International scientific team developed MaxGXL, a product that contains the necessary components of glutathione that when absorbed into the body, stimulate the production of glutathione to be used by every cell.
Supplemental Facts

Frequently asked question and answers about MaxGXL.
"Glutathione circulates constantly throughout your body neutralizing free radicals and removing dangerous waste products and toxins from your system while increasing your level of energy. When your Glutathione level is high, your overall health is high. You feel good and you look good. You fight off minor illnesses quickly, you have plenty of energy, and you feel mentally and physically alert... you’re at an optimal level of good health."
- Alan Pressman, DC, Phd, CCN
"GSH (Gluathione) is the unsung antioxidant…the one that makes all the others work."
- Robert C. Atkins, MD (Founder of The Atkins Center)
"Glutathione promotes longevity, protects the body against heart disease, diabetes, arthritis, asthma, bronchitis, psoriasis, chronic fatigue syndrome, lupus, and boosts the immune system strength and is useful fighting autoimmune diseases and other health problems of older adults."
- Dr. Gutman, MD
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