Classic for more than 20 years! Get time-tested, scientifically researched immune system support with 4Life’s original immune system supplement: 4Life Transfer Factor® Classic. 4Life Transfer Factor Classic helps your immune system recognize, respond to and remember potential health threats. It contains 4Life Transfer Factor® (immune system messenger molecules) from cow colostrum to help educate immune cells. Our classic formula has been shown to bolster Natural Killer (NK) cell activity in the presence of a health threat.† Take three (3) capsules daily to educate your immune system.*Immune System Overall Wellness
Our 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.
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.
Prior to distribution, many 4Life products undergo hundreds of tests. Extensive testing ensures the utmost quality throughout a product’s lifecycle.
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.
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.
Transfer Factor Classic
|Capsules in bottle||90||60||60|
|Immune cell types supported|
Filtered cow colostrum
Chicken egg yolk - secondary source of immune support benefits
Extra filtered cow colostrum
Additional super mushrooms
Immune support mineral
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