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!

What are transfer factors?

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*

Transform
Build muscle, manage your weight, or increase vitality

RioVida
Antioxidant superfruits powered by 4Life Transfer Factor

Targeted
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