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  • AG1 ProNEW

    Advanced daily nutrition with creatine and more.

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    Daily nutrition + 5g fiber in a tasty gummy.

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    Melatonin-free sleep support.

Additional Support

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    Support brain, heart, and immune health.

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    Support heart health, cellular energy, and healthy aging.

  • Vitamin D3 + K2

    Complement AG1 with additional support for immune and bone health.

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* 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.

Information on this site is provided for informational purposes only. It is not meant to substitute for medical advice from your physician or other medical professional. You should not use the information contained herein for diagnosing or treating a health problem or disease, or prescribing any medication. Carefully read all product documentation. If you have or suspect that you have a medical problem, promptly contact your regular health care provider.

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** AG1 Welcome Kit Offer valid for new AG1 subscribers only. AG1 Pro Welcome Kit included with the first AG1 Pro subscription order only. AGZ Frother Offer valid for first AGZ order only.

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  1. In a triple-blind, randomized, placebo-controlled parallel-designed clinical trial evaluating nutrient biomarkers and microbiome shifts in 105 healthy adults ages 20-59 over the course of 12 weeks using the AG1 Next Gen formula.
  2. In a double-blind, randomized, placebo-controlled 2-week crossover clinical trial assessing nutrient gaps and microbiome shifts in 20 active adults ages 19-37 using the AG1 Next Gen formula.
  3. In a double-blind, randomized, placebo-controlled 2-week crossover clinical trial assessing nutrient gaps and microbiome assessments of 40 healthy adults with occasional GI distress ages 26-59 over the course of 4 weeks using the AG1 Next Gen formula.
  4. In a double-blind, randomized, placebo-controlled crossover clinical trial assessing nutrient gaps and bioavailability in 16 healthy adults ages 18-42 over the course of 8 hours using the AG1 Next Gen formula.
  5. In a third-party, single-arm, closed label interventional study of 104 healthy adults ages 25-59 assessing self-perceived efficacy of AG1 Next Gen over 3 months.

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© AG1

HEALTH GUIDES: IMMUNE HEALTH

Your guide to immune health

Orange halves

Understanding immune health

Your immune system works hard behind the scenes at all hours, helping support your body and respond to what it encounters in the world around you.

The health of your immune system depends on steady support from the habits and nutrients your body relies on every day. Sleep, movement, stress management, and balanced nutrition all help support normal immune function. Certain nutrients, like vitamins A, C, D, zinc, and selenium, are key to keeping the immune system functioning as it should.

Point being, your immune system does its work every day, so the support behind it needs to be part of your routine, too.

Explore immune health topics

Immune health is shaped by daily habits, your nutritional intake, and the broader systems your body relies on each day. Learning more about those connections can make it easier to understand what steady support actually looks like in practice. Use this immune health guide to explore the basics, learn from science-backed content, and get a clearer picture of the habits and nutritional factors directly connected to your immune function.

What is the immune system, and how does it work? Organs, cells, and immune responses explained

What is the immune system, and how does it work? Organs, cells, and immune responses explained

Immune Health 101: A Beginner’s Guide to Your Body’s Defense System

Immune Health 101: A Beginner’s Guide to Your Body’s Defense System

How to Improve Immune Function: Daily Habits That Support Immune Health

How to Improve Immune Function: Daily Habits That Support Immune Health

How AG1 Supports Immune Health: Key Nutrients, Ingredients, and Science

How AG1 Supports Immune Health: Key Nutrients, Ingredients, and Science

Immune Boosters: Do They Work and Which Ones Help?

Immune Boosters: Do They Work and Which Ones Help?

Immune Boosting Foods: What to Eat to Support Your Immune System

Immune Boosting Foods: What to Eat to Support Your Immune System

Immune Support Supplements: What to Look for and How to Choose

Immune Support Supplements: What to Look for and How to Choose

How Stress Affects the Immune System and What You Can Do About It

How Stress Affects the Immune System and What You Can Do About It

How does vitamin C help the immune system?

How does vitamin C help the immune system?

How does zinc help the immune system?

How does zinc help the immune system?

Probiotics for immune health: How gut bacteria support immune function

Probiotics for immune health: How gut bacteria support immune function

Magnesium and the Immune System: A Key Mineral for Immune Function

Magnesium and the Immune System: A Key Mineral for Immune Function

Best Drinks and Juices for Immune Function: Nutrients That Support Defense

Best Drinks and Juices for Immune Function: Nutrients That Support Defense

AG1 shaker bottle

Why AG1?

Supporting immune health starts with meeting your body’s everyday needs consistently.

AG1 is designed to make that daily support easier to keep up with by giving you a simple way to cover many of your nutritional bases in one routine.*

The formula includes vitamins and minerals that help support normal immune function, along with ingredients selected to work as part of a broader nutritional foundation. With one scoop each day, AG1 offers a simpler way to support immune health without turning your routine into a long list of separate products. It is designed to complement the habits that help support overall wellness, so your nutrition can stay more consistent over time.*

Start your day with AG1 and support your immune system with consistent, daily nutrition.*

60,000+ verified 5-star reviews for AG1 products

Amazing

"The energy, the gut, and overall health is making me feel 80% better than I was. I love taking it everyday."

Rowan A., 3/19/25 — AG1 RevIew

New Formula

"I love it! The texture is smoother, mixes better, no grit remaining. Also like the additional vitamins and probiotics are great improvements."

Randa M., 3/13/25 — AG1 RevIew

I Love My AG1

"I continue to love the taste and feel good while drinking AG1 daily. The customer service is outstanding and the company rewards loyal customers with occasional perks. That makes me feel good too!"

Wendy O., 3/17/25 — AG1 Next Gen Review

FAQs

Supporting immune health starts with everyday habits. Consistent sleep, regular movement, stress management, hydration, and balanced nutrition all help support normal immune function. Over time, these habits create a stronger foundation for overall wellness.

Several nutrients are involved in immune function, including vitamins A, C, D, zinc, and selenium. These nutrients help support the normal activity of immune cells and related processes, which is why meeting your nutritional needs consistently matters so much.

Supplements can help fill nutrient gaps when your diet falls short and can support immune health as part of a broader routine. They work best alongside healthy habits and balanced meals, not in place of them.

Sleep is one of the most important parts of immune support. During sleep, the body carries out restorative processes that help regulate immune activity. When sleep is inconsistent or cut short over time, it can make it harder for the immune system to function normally.

Stress can influence many systems in the body, including the immune system. Occasional stress is a normal part of life, but long-term stress may affect how well the body maintains normal immune responses. That is one reason daily habits that support stress management can also support immune health.

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