Studies and Publications

Featured Study

4Life Transfer Factor is clinically proven to activate the immune system within two hours. Learn more.

4Life Transfer Factor

Peer-reviewed publications

Safety assessment of long-term use of 4Life Transfer Factor using a variety of studies recommended by regulatory authorities. Learn more.

Beneficial impact of various compositions of transfer factors on the immune system.* Learn more.

Positive effects of cow colostrum and egg-derived transfer factors Part 1: Non-specific immunomodulation.* Learn more.

Positive effects of cow colostrum and egg-derived transfer factors Part 2: Antigen-specific immunomodulation.* Learn more.

Development of an immunological method to evaluate the efficacy of 4Life Transfer Factor against health threats.* Learn more.

Laboratory study reveals that Transfer Factor has the ability to calm down an overactive immune system. Learn more.

The immunomodulatory properties of Transfer Factor on enriched natural killer cells. Learn more.

4Life Transfer Factor is clinically proven to activate the immune system in 2 hours. Learn more.
Third-party studies

Safety assessment of a single oral high-dose of 4Life Transfer Factor^® Tri-Factor^® Formula and 4Life^® Transfer Factor Plus^® Tri-Factor^® Formula. Learn more.

4Life Transfer Factor is clinically proven to activate the immune system within two hours. Learn more.

4Life Transfer Factor suppresses an overactive immune response.* Learn more.
In-house studies

Pilot study to assess the effectiveness of a user-friendly instrument in quantifying IgA in human saliva. Learn more.

Pilot study to obtain a normal range of salivary IgA by using a new, user-friendly instrument for humans. Learn more.

How 4Life Transfer Factor can modulate the immune system and Helper T Cell activity. Learn more.

Salivary IgA in healthy adults is increased by 4Life Transfer Factor. Learn more.

Method development for the analysis of pbmc-mediated killing of k562 cells by bovine colostrum*. Learn more.
Prescribers Digital Reference

Description of Transfer Factor products and benefits from a long-trusted source. Learn more.

Transfer Factor Plus

4Life's number one immune system product, featuring 4Life Transfer Factor^® and well-researched ingredients to balance and support the immune system response*

4Life Transfer Factor Tri-Factor Capsules

Formula that helps educate immune cells and promote the immune system’s ability to more effectively recognize, respond to, and remember to potential health threats

More Transfer Factor Products

4Life Transfer Factor Cardio

Third-party studies

Learn about a preclinical study where 4Life Transfer Factor Cardio was shown to protect the heart and boost the immune system. Learn more.

Cardio

To support a healthy cardiovascular system

4Life Transfer Factor ReCall

Third-party studies

Laboratory studies show that 4Life Transfer Factor ReCall positively impacts aging brain cells.* Learn more.

4Life Transfer Factor Collagen

Peer-reviewed publications

A review article on natural ingredients that can benefit the skin.* Learn more.

Efficacy of 4Life Transfer Factor Collagen on skin hydration, firmness, and wrinkles in an 84-day clinical study and telomerase activity in an in vitro study.* Learn more.
Third-party studies

Clinical study shows 4Life Transfer Factor Collagen improves skin hydration, firmness, and fine lines and wrinkles in healthy adults.* Learn more.

Transfer Factor Collagen

Total body, Promotes overall longevity and healthy aging*

Transfer Factor Lung

Peer-reviewed publications

Evaluation of the protective effects of 4Life Transfer Factor Lung against the negative impact of PM2.5 pollution exposure. * Learn more.
Third-party studies

Evaluation of the protective effects of 4Life Transfer Factor Lung against the negative impact of PM2.5 pollution exposure.* Learn more.