Studies and Publications

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

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.

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.

Measuring how much 4Life Transfer Factor^® Chewable Tri-Factor^® formula is safe for consumption.* Learn more.

4Life Transfer Factor suppresses an overactive immune response.* Learn more.

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.

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

A preclinical study showing the protective effects of 4Life Transfer Factor^® Cardio on cardiometabolic health.* Learn more.

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

Clinical study of TF SleepRite demonstrated significantly improved sleep quality, reducing difficulty falling asleep and nighttime awakenings. Learn more.

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.

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

An exploratory study on human gut microbiome modulation after a 25-day dietary cleansing and detoxification supplement regimen.* Learn more.

Evaluation of the protective effects of 4Life TF Breathe against the negative impact of PM2.5 pollution exposure. * Learn more.

Laboratory study shows that four weeks of taking Pre/o Biotics has beneficial effects on gut integrity and microbiome health.* Learn more.

In vitro studies examine different combinations of prebiotics and 4Life Transfer Factor on probiotic growth.* Learn more.

A collection of cellular and pre-clinical studies reveal the best combination of prebiotics, probiotics, and 4Life Transfer Factor for gut microbiome health.* Learn more.

Laboratory study that evaluated the effects of PRO-TF ingredients on markers of muscle growth, appetite, and fat metabolism.* Learn more.

Laboratory study comparing amino acid absorption from hydrolyzed versus concentrated whey protein.* Learn more.

Effects of Renuvo on the expression of oxidative stress markers while eating a high-fat, high-sugar diet.* Learn more.

A clinical study exploring the skin health benefits of the aKwa Skincare System.* Learn more.

A clinical study exploring the skin health benefits of the aKwa Skincare System. Learn more

Exploratory study shows oral health benefits of new and improved Enummi Toothpaste. Learn more.