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4Life Transfer Factor products are patented, certified, and highly researched.

Since 1998, 4Life has been dedicated to researching and developing innovative Transfer Factor products—and the commitment has paid off. Transfer factors aren’t simply nutrients; they provide knowledge to your body’s immune system—supporting its natural ability to know what to do when challenged with health threats.

Further advancing its' position as a world leader in protein sciences, 4Life is set apart by our in-house Research and Development team, as well as the expertise of a professional board of medical professionals, immunologists, nutritionists, and researchers, known as the Health Sciences Advisory Board (HSAB) All are dedicated to the ongoing advancement of 4Life Transfer Factor Science because of the positive impact we continue to see in people’s lives.

4Life Transfer Factor products are patented, certified, and highly researched. 4Life Transfer Factor is sourced in three proprietary ways to provide a wide range of personal immune system support:


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4Life Product catalog

Exclusive high quality patented products

4Life products undergo hundreds of analytical tests before being released for distribution. Extensive testing ensures that each specification is evaluated and reported to maintain quality throughout a product’s lifecycle. To certify each 4Life Transfer Factor product,

Since 1998, 4Life has brought you the best quality products available to support your immune system and overall health. We are committed to ongoing innovation and scientific discovery, with products to help you lead a healthy life.*

4Life product formulations are developed through research and a commitment to the utmost quality and efficacy. The Certified 4Life Transfer Factor® guarantee ensures the identity, purity, strength, and composition of every 4Life Transfer Factor product that you consume.

The company’s in-house Research and Development team includes doctors and scientists who keep 4Life on the cutting edge of scientific advancement. Additionally, our Health Sciences Advisory Board (HSAB) assists in the development of new products and helps further research into 4Life Transfer Factor Science.4Life Transfer Factor products are patented, certified, and highly researched. 4Life Transfer Factor is sourced in three proprietary ways to provide a wide range of personal immune system support: