Global Leader in Glutathione Science

For more than 45 years, our research has shaped the global understanding of glutathione.

Supported by 90+ published studies and 79 worldwide patents, Immunocal remains the most researched glutathione precursors available.

#1 Leader in Glutathione Supplement Research

The Master Antioxidant

What is glutathione?

Glutathione is a powerful antioxidant naturally produced by the body. It’s found in every cell and helps protect against oxidative stress, supports detoxification, and keeps the immune system functioning properly.

What is glutathione made of?

Glutathione is made from three amino acids: cysteine, glycine, and glutamic acid. These are the building blocks your body needs to make glutathione inside your cells.

How is glutathione different from other vitamins?

Vitamins come from your diet and support specific functions in the body. Glutathione is made inside your body and works at the cellular level, helping protect cells and support the effectiveness of other vitamins.

Where is glutathione stored in the body?

Glutathione is present in every cell of the body, with especially high levels in the liver, immune system, brain, lungs, and kidneys since these rely on strong antioxidant support.

What happens when glutathione levels are low?

Low levels can make it harder for the body to manage stress and filter out toxins. As a result, people often feel more run-down, fatigued and slower to recover.

Why Glutathione is Essential

Protect

Works inside every cell to help defend against daily stress and oxidative damage.

Repair

Supports your body’s natural ability to restore and maintain healthy cells.

Strengthen

Strengthens your immune system and your body’s ability to fight off toxins.

We Did The Research, So You Don’t Have To.

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What Experts Say

Glutathione In The Spotlight

Glutathione is widely recognized for its role in cellular protection, immune support, and overall wellness. Here’s what experts and public figures have said about its importance.

“Glutathione is a powerful antioxidant that protects cells from oxidative stress.”

- Medical News Today

"Your immune system, quite frankly, can’t function without glutathione."

- Dr. Steven Gundry, M.D.

"Glutathione is the most powerful antioxidant in the body… not one cell in our entire body that does not contain glutathione.

- Gary Brecka, Influencer

"It’s the most important molecule you need to stay healthy and prevent disease… the mother of all antioxidants."

- Dr. Mark Hyman, M.D.

“It helps repair cells damaged by pollution, stress and other harmful influences and is undeniably important.”

- Ask the Doctors, UCLA

“Glutathione is a powerful antioxidant that protects cells from oxidative stress.”

- Medical News Today

"Your immune system, quite frankly, can’t function without glutathione."

- Dr. Steven Gundry, M.D.

"Glutathione is the most powerful antioxidant in the body… not one cell in our entire body that does not contain glutathione.

- Gary Brecka, Influencer

"It’s the most important molecule you need to stay healthy and prevent disease… the mother of all antioxidants."

- Dr. Mark Hyman, M.D.

“It helps repair cells damaged by pollution, stress and other harmful influences and is undeniably important.”

- Ask the Doctors, UCLA

“Glutathione is a powerful antioxidant that protects cells from oxidative stress.”

- Medical News Today

"Your immune system, quite frankly, can’t function without glutathione."

- Dr. Steven Gundry, M.D.

"Glutathione is the most powerful antioxidant in the body… not one cell in our entire body that does not contain glutathione.

- Gary Brecka, Influencer

"It’s the most important molecule you need to stay healthy and prevent disease… the mother of all antioxidants."

- Dr. Mark Hyman, M.D.

“It helps repair cells damaged by pollution, stress and other harmful influences and is undeniably important.”

- Ask the Doctors, UCLA

*These quotes are from public interviews, books, and podcasts. The individuals quoted are not affiliated with or endorsing this product or company. Statements reflect the opinions of the individuals quoted, not medical advice. Provided for educational purposes only.

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