The Real Way to Boost Your Body’s Master Antioxidant

Glutathione is your body’s most powerful protector — fueling immunity, detox, and cellular repair. Discover how Immunocal® helps you build it from the inside out using the only precursor of it's kind. 

45+ Years of Research

78 Global Patents

85+ Peer Reviewed Studies

PDR & CPS Medical References

Listed in the Physicians' Desk Reference (PDR) and Canadian Compendium of Pharmaceuticals (CPS)

What Makes Glutathione Important?

The Antioxidant Role

Glutathione is your body’s front line of defense against oxidative stress — a process driven by free radicals that harm DNA, proteins, and cell membranes. You can think of these free radicals as “cellular rust,” gradually breaking down the integrity of your cells. Glutathione helps prevent that breakdown and keeps your cells resilient.

 

THE PRODUCT THAT'S CHANGING LIVES

Meet Immunocal®: The Gold Standard in Glutathione Support

Glutathione is essential — but your body can’t make enough of it without help. That’s where Immunocal comes in. Unlike pills or IV drips that try to force glutathione into your system, Immunocal works with your body, delivering the exact nutrients it needs to naturally create and recycle glutathione from within.

 

Cancer

Glutathione helps protect healthy cells from oxidative damage and supports overall wellness during cancer treatments.

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Autism

Children with autism often have lower levels of glutathione, and boosting it can help detoxification and reduce oxidative stress.

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Athletes + More 

Glutathione isn’t just for one condition — it’s for anyone who wants to feel better, recover faster, and strengthen their immune defenses from the inside out.

Be the First to Get Glutathione Insights

Articles, research, and tips on boosting glutathione — plus exclusive updates on Immunocal.

Recommended by Doctors Worldwide

Immunocal is trusted by physicians, oncologists, neurologists, and wellness professionals across the globe — not for hype, but for results.


Backed by over 85 peer-reviewed studies and listed in both the Physicians’ Desk Reference (U.S.) and CPS (Canada), it’s the only patented natural protein clinically proven to raise glutathione from within.


Doctors like Dr. James Balch and Dr. Wulf Dröge, as well as specialists in cancer care and neurodegeneration, continue to support its use as a powerful adjunct to traditional care.

Because when it comes to supporting immune strength, recovery, and cellular health — the science speaks for itself.

Glutathione is known as the body’s master antioxidant. Think of it as your cells’ built-in defense shield. Every day, free radicals and toxins act like tiny sparks of rust, corroding your DNA, proteins, and cell walls. Without enough glutathione, those sparks spread unchecked—accelerating aging, weakening immunity, and leaving your body vulnerable to chronic disease.


When glutathione levels are high, it’s like having an internal cleaning crew and repair team working 24/7: neutralizing toxins, repairing damaged cells, and fortifying your immune system. But when levels drop (from stress, poor diet, illness, or simply aging), your defenses weaken, and the “rust” starts to win.


That’s why scientists, doctors, and even elite athletes emphasize the importance of boosting glutathione naturally. It’s not just about avoiding sickness—it’s about keeping your body resilient, youthful, and strong against the daily wear-and-tear of life.

Glutathione supplements are poorly absorbed and break down before reaching your cells. IV infusions are temporary and invasive. Immunocal works differently—it gives your body the key building block (cysteine in a bonded, stable form) to naturally make its own glutathione, which is safer and more effective long term.

Unlike regular protein powders, Immunocal is a patented, undenatured whey protein isolate specifically formulated to deliver cysteine in a bioavailable form. This makes it clinically proven to raise glutathione levels in human cells—a claim no other supplement can legally make.

Yes. Immunocal has over 85 peer-reviewed studies, 78 global patents, and is listed in respected medical references like the Physicians’ Desk Reference (US) and the Compendium of Pharmaceuticals and Specialties (Canada). Very few natural products have achieved this level of scientific and medical recognition.

Immunocal is trusted by doctors, researchers, and professional athletes worldwide. Olympic medalists, pro soccer teams like Inter Miami CF and Club América, and even integrative oncologists recommend it for recovery, immunity, and performance.

Yes, Immunocal is often used as a supportive supplement in conditions linked to low glutathione, such as cancer, diabetes, Alzheimer’s, Parkinson’s, COPD, and immune disorders. It is not a cure, but it significantly helps strengthen immunity, improve energy, and enhance quality of life even during medical treatment.

Yes, Immunocal is often used as a supportive supplement in conditions linked to low glutathione, such as cancer, diabetes, Alzheimer’s, Parkinson’s, COPD, and immune disorders. It is not a cure, but it significantly helps strengthen immunity, improve energy, and enhance quality of life even during medical treatment.

By boosting glutathione, Immunocal reduces oxidative stress and inflammation caused by intense training. This means faster recovery, more endurance, and increased strength. Clinical trials show Immunocal users gained up to 13% more power output compared to placebo athletes.

Most antioxidants like Vitamin C or E work once and then break down. Glutathione, however, recycles these antioxidants and keeps them active. By raising glutathione at the cellular level, Immunocal strengthens all of your body’s antioxidant defenses at once.

When you’re under the weather, your immune system works overtime. Glutathione plays a big role here—it’s the “master antioxidant” your white blood cells need to fight off viruses.


Immunocal is clinically proven to raise glutathione levels inside immune cells by about 35%, giving your body more of what it needs to respond. Even taking it for a few days during a cold can support your immune defenses and help your system bounce back.


That said, Immunocal isn’t a quick-fix or a cure for colds. Because glutathione works best as a steady foundation for your health, consistent use is where people see the biggest benefits. Think of short-term use as a little extra backup—but long-term use as building a stronger immune baseline.


This product is classified as GRAS (Generally Recognized as Safe) by the FDA.


These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

START YOUR JOURNEY WITH IMMUNOCAL TODAY

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Articles, research, and tips on boosting glutathione — plus exclusive updates on Immunocal.

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