Science 4Life

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

4Life Transfer Factor Science encompasses the research, technology, and innovation of products that educate your immune cells, supporting your immune system’s ability to recognize, respond to, and remember potential threats. 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:

UltraFactor XF is a proprietary concentrate of ultra-filtered 4Life Transfer Factor proteins and other peptides from cow colostrum..

OvoFactor is a patent-protected concentration of 4Life Transfer Factor proteins and other peptides from chicken egg yolk.

NanoFactor is a proprietary concentration of nano-filtered cow colostrum.

Quality and Labs

Science 4Life - Quality Labs

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.

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.


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


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


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


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. .

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.

David Vollmer, PhD

David Vollmer, PhD

Chief Scientific Officer

The 4Life Research and Development team is committed to creating excellent products of the highest quality for 4Life Affiliates and customers. Scientific credibility is at the core of what we do.”
Dr. Vollmer has enjoyed over 25 years of experience in product innovation, quality control, and laboratory management. His expertise includes technical and administrative leadership, development and validation studies for new products, laboratory and production specifications, and collaborative scientific affairs.

Brent Vaughan, PhD, RD

Brent Vaughan, PhD, RD

Vice President of Research and Development

“4Life Transfer Factor products work together to provide some of the best immune system support currently available. Strength, focus, and coordination all in one place give your immune system its best chance for maintaining health and wellness.*

Paula Brock, PhD, MSCI

Paula Brock, PhD, MSCI

Director of Scientific and Regulatory Affairs

4Life provides the opportunity for people to live successful lives. Through science and service, we aim to deliver safe and efficacious products and education to assist in improving both physical and mental health and to help people achieve a positive lifestyle.

J. Ty Hopkins, PhD, ATC