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Activate Your Immune System with 4Life Transfer Factor*

Total-body, age-defying collagen + immune support with 4Life Transfer Factor*

The Immune System Company®

Leading the way in immune system science for more than 25 years*

Science you can trust

Help your body recognize, respond to, and remember potential health threats with 4Life Transfer Factor®: an immune system memory molecule that is clinically proven to activate the immune system within two hours!*1

Check out 4Life peer-reviewed, in-house, and 3rd-party studies, research and patents!

4Life Products

When you feel healthy, you can live your best possible life. To do this, you need a vigilant immune system. That’s why people are making the smart choice with 4Life Transfer Factor products. 4Life offers numerous delivery methods, including capsules, chewable tablets, juice beverages, powders, and topical products.*

Transfer Factor Immune Support

Colostrum-based immune system support*

Digest4Life®

Gut health and immune system support*

4LifeTransform®

Build muscle, manage your weight, or increase vitality*

RioVida®

Antioxidant superfruits powered by 4Life Transfer Factor

Targeted Transfer Factor®

Focused support for your body's needs*

4LifeElements®

Unique mineral-based solutions from our earth, for your life

RiteStart®

All-in-one daily supplement pack*

äKwä®

Flawless, ageless, and effortless skincare

Preferred Customers Save Big

© 2025 4Life Trademarks, LLC, 4Life Research USA, LLC

The information on this website is only applicable in the United States

*THESE STATEMENTS HAVE NOT BEEN EVALUATED BY THE FOOD AND DRUG ADMINISTRATION. THESE PRODUCTS ARE NOT INTENDED TO DIAGNOSE, TREAT, CURE, OR PREVENT ANY DISEASE.

^In a preclinical study.

1 Yu, L.; Iloba, I.; Cruickshank, D.; Jensen, G.S. Feasibility Trial Exploring Immune-Related Biomarkers Pertaining to Rapid Immune Surveillance and Cytokine Changes after Consuming a Nutraceutical Supplement Containing Colostrum- and Egg-Based Low-Molecular-Weight Peptides. Curr. Issues Mol. Biol. 2024, 46, 6710-6724.

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