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4Life Transfer Factor is clinically proven to activate the immune system within two hours. Learn more.
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.
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.
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.
Examination of two natural product formulations that enhance lifespan and healthspan by targeting immune cell rejuvenation and cellular senescence. Learn more.
TF AgePro significantly enhances the cytotoxic activity of natural killer (NK) cells across all age groups. Learn more.
A clinical study found that 4Life Transfer Factor AgePro significantly enhanced Natural Killer (NK) cell activity and immune response across all age groups, specifically in the presence of harmful cells, without triggering spontaneous immune activation. Learn more
Transfer Factor AgePro exceeds industry standards for NMN supplements in the marketplace. Learn more.
This white paper explores the effects of 4Life Transfer Factor on natural killer immune cells of older individuals.* Learn more.
This informal study compared health and longevity biomarkers and survey results from ten individuals before and after 12 weeks of taking 4Life Transfer Factor AgePro.* 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.
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.
Exploratory study shows oral health benefits of new and improved Enummi Toothpaste. Learn more.
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