4Life Transfer Factor® Core Products

Top-selling wellness products*

Shop All
When you have a smart and vigilant immune system, you can fight back against the threats you face every day and live your best life. That’s why millions of people around the world have chosen to support their immune system with 4Life Transfer Factor products!*
4Life Transfer Factor products help your immune system recognize, respond to, and remember potential health threats.*

4Life Transfer Factor Products

4Life Transfer Factor Tri-Factor Formula offers more broad-based immune system support through a proprietary combination of UltraFactor from cow colostrum, OvoFactor® from chicken egg yolks, and NanoFactor® mini molecules.

4Life TF Plus Advanced combines the power of Tri-Factor® Formula with a proprietary immune system boosting blend (shiitake, maitake, agaricus, and cordyceps) and zinc to more effectively help your immune system.*


Recognize, Respond, Remember

Transfer factors help immune system cells quickly identify potential health threats, speed up the immune system’s response, and help the immune system remember the makeup of specific threats to handle them more quickly in the future.*

Watch video


4Life Transfer Factor® RioVida® Tri-Factor® Formula is the only dietary supplement in the world that combines the immune system benefits of 4Life Transfer Factor with antioxidant-rich superfruits like açaí, pomegranate, blueberry, elderberry, and grape. This intense concentration of active ingredients provides education that supports the body’s ability to maintain everyday health and energy.*

Shop RioVida

Certified 4Life Transfer Factor Guarantee

At 4Life, we’ve made a commitment to uphold the highest standards of product quality. We certify all 4Life Transfer Factor products and will always strive to create products of the utmost quality and efficacy. We pledge to uphold the product design and manufacturing for every product we sell. When you purchase 4Life Transfer Factor products, you can rest assured that you’re getting the very best. In fact, we guarantee it. View the 4Life Transfer Factor guarantee.


Prior to using each raw material, we perform testing to certify raw ingredient suppliers, validate the proper identity of each ingredient, verify that the finished product conforms with a previously approved reference standard, and ensure the finished product is of the highest quality.


Each raw material and finished product is put through a series of extensive safety tests for contaminants and adulterants, including pesticides, heavy metals, and microbiological organisms.


Our quality and analytical teams perform strength and potency testing on all ingredients and finished products to ensure our specifications are met from the moment we release a product and through its expiration date.


Each ingredient is weighed and measured properly and each batch is manufactured according to the product specification guidelines and formulation. Lastly, we compare each batch produced to standards set by the 4Life Research and Development department.

How Do Transfer Factors Work?
4Life Products—Quality You Can Trust