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4Life Transfer Factor Science encompasses the research, technology, and innovation of products that educate your immune system cells and support your immune system’s ability to recognize, respond to, and remember potential threats. 4Life Transfer Factor products are patented, certified, and thoroughly researched. 4Life Transfer Factor is sourced in three proprietary ways to provide a wide range of personal immune system support:
UltraFactor 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.
We develop 4Life products 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.
4Life'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) helps develop new products and furthers research into 4Life Transfer Factor Science.
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.
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 in 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 National Sanitation Foundation (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.
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.
The identity of each ingredient is tested and verified prior to use.
Each raw material and finished product is tested to ensure it is free of contaminants and other adulterants.
Every ingredient goes through a strict list of strength and potency testing to ensure it meets our high-quality standards.
Each batch is manufactured according to the product specification guidelines and formulation.
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.
4Life Research collaborates with universities, laboratories, and other organizations to develop, conduct, and validate research. The research from these collaborations helps us develop products and substantiate product safety and efficacy.
Recent independent laboratory studies show that core 4Life Transfer Factor products bolster Natural Killer (NK) cell activity in the presence of a health threat, while activating a variety of other immune system cells, such as: B cells, T cells, and Macrophages.†
4Life products are backed by peer-reviewed publications, patents, in-house white papers reporting on studies done by 4Life or third-party collaborations, and monographs that include extensive literature reviews for ingredient safety and efficacy.
A. Andersen, P. Vieira-Brock, B. Vaughan, D. Vollmer Method development for the analysis of PBMC-mediated killing of K562 cells by bovine colostrum Journal of Immunological Methods Volume 499, December 2021.
†Vetvicka V., Vetvickova J. (2019) J Nutr Health Sci 6(3):301
†Vetvicka V., Fernandez-Botran R. (2020) Int Clin Pathol J. 8(1):1
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