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Commonly Asked Questions about 4Life Transfer Factor® Innovation

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How 4Life Transfer Factor® Works: A Capsule’s Journey through the Body

What are transfer factors?

Unlike many supplements you find in health food stores, transfer factors aren’t vitamins, minerals, or herbs (substances that add nutrients to your body). Transfer factors are molecules that transfer immune health memory and knowledge from one entity to another. Transfer Factor science is ground-breaking innovation for immune health support.*

When were transfer factors discovered?

In 1949, Dr. H. Sherwood Lawrence, a New York University immunologist, determined that an immune health response could be transferred from a donor to a recipient through a white blood cell extract. He concluded that these extracts contained a “factor” capable of transferring the donor’s immunity information to the recipient. Dr. Lawrence subsequently coined the term “transfer factor.”

In 1998, 4Life Founders David and Bianca Lisonbee licensed the patent to extract transfer factors from cow colostrum. The introduction of 4Life Transfer Factor® Classic opened the door to new immune health support products. 4Life’s commitment to transfer factor research has progressively raised the standard for modern-day immune health supplementation.*

How does 4Life Transfer Factor® supports our immunity?

Transfer factors are some of the most unique molecules in your body. They carry important messages to immune cells. Transfer factors help your immune health do three big things:*


4Life Transfer Factor helps immune health cells quickly identify invading threats.*


4Life Transfer Factor helps speed up the immune health’s response to a potential threat after it’s been identified.*


4Life Transfer Factor helps your immunity remember the specific makeup of previously encountered threats, so your body knows how to combat those same threats again.*

How is 4Life Transfer Factor different from other products?

4Life Transfer Factor is different from other immunity support products because it's not a vitamin, mineral, or herb. 4Life Transfer Factor is a molecule that educates your immunity and helps it stay active and balanced. 4Life Transfer Factor works with your immune support in a unique way. It teaches your immunity to recognize, respond to, and remember potential invaders. Looking beyond simple nutrition to providing vital information is a profound paradigm shift, and only 4Life Transfer Factor products leverage this innovative approach.*

What studies support 4Life Transfer Factor?

4Life Transfer Factors are backed by many scientific studies. In fact, our most 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.*†

If I eat healthy foods, why do I need 4Life Transfer Factor?

Healthy foods provide your body with important nutrients that provide strength. Immune health cells need this nutrition, but they also need education. 4Life Transfer Factor educates your immune health cells so your immunity can keep running at peak performance.*

What if I don't want to take capsules?

Don't like swallowing capsules? No problem! You can get 4Life Transfer Factor® Classic in chewable citrus-cream tablets or a powder you can add to any food or drink. These three products are for ages 4 and up!

What is NanoFactor®?

NanoFactor is 4Life’s exclusive extract of nano-filtered cow colostrum.

What is 4Life Transfer Factor® Tri-Factor® Formula?

4Life Transfer Factor Tri-Factor Formula helps balance and support our immune health. 4Life is the leader in the development, production and distribution of Transfer Factor Products

Where does 4Life Transfer Factor come from?

Nature has perfected a way to pass immune health information from mother to baby. A mother passes on vital immune health knowledge (gathered from her own experiences) in the first critical days of life. Mammals pass on this information through the mother’s first milk, or colostrum, while other animals pass the information through egg yolk. Transfer factors and nanofraction molecules are important components of this education, acting as nature’s first supplements.

Chickens and cows live outside, exposing them to a variety of germs, which their immunity must battle in order to stay healthy. Transfer factors and nanofraction molecules can be safely transferred to humans, making cow colostrum and chicken egg yolk excellent sources for immune health support.*

Does 4Life have patents for their 4Life Transfer Factor products?

Yes. The extraction process for transfer factors from chicken egg yolk is protected by U.S. Patent 6,468,534. Exclusive combination techniques for transfer factors from cow colostrum and chicken egg yolk are protected by U.S. Patent 6,866,868.

How can I learn more about 4Life Transfer Factor?

Explore 4life.com to find benefits and testimonials and to buy 4Life Transfer Factor products. You can also speak with the person who referred you to 4Life to learn more.

How can I share 4Life Transfer Factor products with other people?

4Life offers a business opportunity that’s just as rewarding as its innovative products. Learn more by clicking the button below.

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