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Science

Since 1998, 4Life Research® 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.

Products for Your Life

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.

The Science of 4Life Transfer Factor

The science of 4Life Transfer Factor combines research, technology and product innovation to support your overall wellness. 4Life Transfer Factor is derived through three unique processes to offer a broad range of overall wellness:

Transfer Factor XF is an exclusive concentration of ultrafiltered 4Life Transfer Factor proteins and other peptides from bovine colostrum.

Transfer Factor E-XF is a patented concentrate of 4Life Transfer Factor proteins and other peptides from chicken egg yolk.

Tri-Factor: a Formula that enhances the function of Transfer Factor E-XF with other cow colostrums nutrients

Product Development

4Life offers numerous delivery methods, including capsules, chewable tablets, juice beverages, powders, and topical products.

Quality and Labs

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Prior to distribution, many 4Life products undergo hundreds of tests. Extensive testing ensures the utmost quality throughout a product's lifecycle. 4Life invests millions of dollars on state-of-the-art laboratory equipment and operates one of the most advanced analytical labs in the direct selling industry to test raw materials and finished goods.

4Life manufacturing facilities include cutting-edge packaging, encapsulation, and blending equipment and have received NSF® International Good Manufacturing Practices (GMP) registration. Earning GMP Registration from NSF International verifies that 4Life employs proper methods, equipment, and controls in producing the highest quality dietary supplement products.

Manufacturing

4Life runs its own manufacturing facility and oversees each step of the manufacturing process. This includes, but is not limited to, batching, blending, encapsulating, and packaging.

Identity


The identity of each ingredient is tested and verified prior to use.

Purity


Each raw material and finished product is tested to ensure it is free of contaminants and other adulterants.

Strength


Every ingredient goes through a strict list of strength and potency testing to ensure specifications are met.

Composition


Each batch is manufactured according to the product specification guidelines and formulation.

To learn even more about the 4Life manufacturing and quality process, watch the Taking Transfer Factor to the World video.

Research

4Life Research establishes product efficacy through collaborations with academic institutions, scientific publications, and exploratory research.

4Life has also partnered with the University of Missouri to conduct a fully-randomized, placebo-controlled, 30-day efficacy study on the effectiveness of Renuvo®.

The 4Life Research and Development team is committed to creating products that offer superior support for overall wellness through continued scientific exploration, while maintaining the highest standards of quality and testing.

Patents

4Life Patents

4Life's research and pursuit of patent protection demonstrate the company’s long-term commitment to exclusivity and stability. 4Life holds six U.S. patents and 38 international patents—with dozens more pending.

Studies and Publications

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Research is in our name and is reinforced through our commitment to innovation, substantiation, and education. The results of this research have appeared in numerous publications and journals, including: Nutrition & Metabolism; Applied Physiology, Nutrition, and Metabolism; Journal of the International Society of Sports Nutrition; and Medicine & Science in Sports & Exercise.

Numerous studies have shown the effectiveness of 4Life Transfer Factor in supporting health.

Science Team

Expert research equals scientific success

Our in-house research and development team is comprised of immune science experts and PhD recipients working hard to keep 4Life on the cutting edge. We’ve also enlisted the expertise of dozens of physicians and nutrition experts worldwide, all members of the Health Sciences Advisory Board.

Health Sciences Advisory Board