It’s Not you...

It’s Your Glutathione

#1

Creators of the world’s only patented glutathione precursor proven to raise glutathione levels naturally.

It’s Not you...It’s Your Glutathione

100+

Peer reviewed studies,

26 Gold Standard Studies

Rating stars
4.6 / 5

Loved by thousands of people just like you!

Fueling Happier, Healthier Lives Worldwide

Today’s world is hard on the body. Pollution, ultra-processed food, chronic stress, poor sleep, and everyday medications—all of it chips away at your immune defense. And when oxidative stress builds up faster than your body can repair, you start to notice it: fatigue that lingers, inflammation that won’t go away, or a string of illnesses that hit harder than they used to.

Why does this matter?

Immune dysfunction and autoimmune conditions are on the rise—not because of age, but because of what your body is constantly up against. That’s why we designed Immunocal, alongside targeted products that work with your body’s cellular defense system. Together, they work to restore what modern life depletes, helping your body defend, repair, and stay resilient. For all ages, and every stage of life.

Shop Cellular Defense
100+
Over 100 diseases have been linked to low glutathione levels, including cancer, cardiovascular disease, Alzheimer’s, Parkinson’s, and chronic fatigue syndrome.
~80%
1 in 31 children have Autism in the US. Children with autism have been shown to have up to 80% lower levels of glutathione in the brain compared to neurotypical children.
50M+
1 in 6 Americans now live with an autoimmune condition. That means millions of people are battling chronic inflammation, and fatigue, not just once in a while, but every single day.
A-Z
From A to Z, antioxidants rely on glutathione. It recycles key antioxidants like vitamins C and E—without enough glutathione, other antioxidants lose their effectiveness.
Product
01.

The World’s Only Glutathione Precursor

Giving your body what it needs to produce it’s own glutathione. Designed to support your immune system, daily recovery, energy, and overall cellular health—especially during periods of stress, fatigue, or immune challenges.*

02.

Highest Bioavailability of Any Other Edible Protein

With up to 1.6× higher bioavailability than common protein sources like chicken, or traditional whey, this undenatured protein delivers Bonded Cysteine™ in a form your body can efficiently absorb and use.

03.

One Ingredient. Pure Protein.

Made from a single source of undenatured whey protein—nothing added, nothing altered. Giving you the confidence of pure, simple, and trusted for the whole family.

How it Works

Fueling Your Immune Strength From Day One

Why GlutathioneOur Science

Your First Week

Your First Week

Your energy starts to lift and mornings get smoother as your body leans into the change. The patented Bonded Cysteine makes it past digestion, gets absorbed into your cells, and starts supporting your body’s natural glutathione production. As glutathione levels begin to rise, your cells get more support for protection and recovery, which is why those first shifts can feel noticeable even in week one.*

Days 7 -14

Days 7 -14

Sleep gets deeper and you wake up more refreshed, and focus feels cleaner during the day. With a steady daily supply of what your cells use to keep glutathione production going, your baseline support stays consistent instead of spiking and crashing. At the same time, the NRF2 pathway is active, signaling your body to turn on more of its built-in antioxidant and detox defenses when stress shows up. That’s why week two feels like more stability, better sleep, and more resilience.*

Days 15-30

Days 15-30

This is when “feeling better” turns into feeling more protected. You bounce back faster, your immune defenses feel stronger, and you feel cleaner overall. Many people also notice clearer-looking skin as inflammation and oxidative stress come down. With steady glutathione support, immune cells and detox pathways have the raw materials they need to run consistently, which shows up as better resilience and steadier momentum day to day.*

Days 31-60

Days 31-60

By now, many users are feeling a "new normal". The change feels less like a spike and more like a new baseline. Energy tends to feel steadier throughout the day, soreness can fade quicker, and crashes become less common. With glutathione support becoming more established, your body can stay in a stronger repair and recovery rhythm, helping you handle stress, workouts, and busy weeks with less fallout.*

Why GlutathioneOur Science
DEVELOPED BY
World-Renowned Immunologists at McGill University
GOOD FOR
All Lifestyles, Ages and Wellness Goals
POWERED BY
More than 80 Method of Use Patents and 92 Clinical Studies
ENDORSED BY
Dr. Luc Montagnier, Nobel prize winner of Medicine 2008 for its health benefits
TRUSTED BY
Health Experts, 100+ Olympic Athletes, 2+ Professional Teams, and Everyday Families Just Like Yours
FYI
The Only Clinically Proven Formula to Raise Your Glutathione Levels Naturally
Product

Amplify Your Results With

Product image

Immunocal Platinum

Immunocal Platinum offers a comprehensive solution for promoting healthy aging.

$189.00
Product image

Immunocal

Immunocal®, is an all-natural protein with the highest biological value of any edible protein, and clinically proven to raise glutathione levels.* Glutathione enhances your immune system, is a key detoxification enzyme, provides cellular energy and acts as your body’s master antioxidant.

$133.50
Backed by Experts Who Know Optimal Health

Fuel The Years That Matter

Expert

Immunocal is not glutathione.. it’s the patented precursor that allows the body to produce its own glutathione inside the cell, where it’s needed most. That distinction is critical. Supporting natural glutathione production is one of the most foundational strategies for long-term cellular health.

Expert

Glutathione isn’t meant to be absorbed — it’s meant to be made. Supporting your body with the right precursors is far more effective than taking glutathione directly. That’s why Immunocal stands out as the the gold standard.

Your Stories

Fueling Better health worldwide”

More Reviews
Kate French
Kate French
Pentathlete from Great Britain Olympic Gold Medalist | 4-Year Product User

“I am a modern pentathlete and won the gold medal at the Tokyo 2020 Olympic Games. I am a proud Immunotec Elite Athlete Ambassador. The inclusion of Immunocal, Immunocal Sport, and Booster products in my daily training routine has been paramount in my journey towards achieving my lifelong dream of becoming an Olympic champion.”

Christopher Thompson
Christopher Thompson
Distance Runner from Great Britain2x Olympian | 14-Year Product User

“Immunocal is one of those products which over the years has shown and proven to be a vital part of my recovery process to keep me training hard and competing hard. As Elite Athletes you know and feel the difference when a product works and works well.”

* The views, thoughts, and opinions expressed belong solely to the author or presenter, and not necessarily to any organization, committee, or other group, individual, or entity.

Our Blog

Trending Topics

What is Glutathione?

What is Glutathione?

Glutathione is often called the "Master Antioxidant" of the body. It plays a crucial role in protecting cells from damage, detoxifying the body, and supporting the immune system.

Read More

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

#1 Leader in Glutathione Supplement Research
#1 Leader in Glutathione Supplement Research
Clean Label Promise. Pure, Transparent, Trusted.
Clean Label Promise. Pure, Transparent, Trusted.
Sport Banned Substance Tested Every Batch
Sport Banned Substance Tested Every Batch
Customer Happiness Guarantee*
Customer Happiness Guarantee*
100% of our boxes are 100% recyclable
100% of our boxes are 100% recyclable
Fast and reliable Shipping
Fast and reliable Shipping