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4Life Transfer Factor is clinically proven to activate the immune system within two hours. 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 our immune health.* 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.
Description of Transfer Factor products and benefits from a long-trusted source. Learn more.
Laboratory studies show that 4Life Transfer Factor ReCall positively impacts aging brain cells.* 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.
Evaluation of the protective effects of 4Life Transfer Factor Lung against the negative impact of PM2.5 pollution exposure. * Learn more.
Evaluation of the protective effects of 4Life Transfer Factor Lung 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.
Discovery and validation of prebiotic properties of ultra-filtered cow colostrum and chicken egg yolk*. Learn more.
Effects of Renuvo on the expression of oxidative stress markers while eating a high-fat, high-sugar diet.* Learn more.
Clinical study shows RiteStart improves several markers of general and immune health. Learn more.
Positive influence of RiteStart as a foundational component in a 12-week personalized nutrition program.* Learn more.
Exploratory study shows oral health benefits of new and improved Enummi Toothpaste. Learn more.
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