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 studies showed that 4LifeTransform Burn by itself or with PRO-TF® stimulates fat metabolism and improves body composition.* Learn more.
An in vitro study that evaluated the antimicrobial activity of TForce and its individual ingredients.* Learn more.
Effects of Renuvo on the expression of oxidative stress markers while eating a high-fat, high-sugar diet.* Learn more.
Safety assessment of long-term use of 4Life Gold Factor using a variety of studies recommended by regulatory authorities. Learn more.
Clinical study shows RiteStart improves several markers of general and immune health. Learn more.
Clinical study shows 4Life Transfer Factor Collagen improves skin hydration, firmness, and fine lines and wrinkles in healthy adults.* 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.
A study of 4Life Transfer Factor Tri-Factor Formula and RioVida® that found a consistent average 73% increase in salivary Immunoglobulin A (IgA) (immune system strength marker) across all participants within four weeks.* Learn more.
Summary of multiple studies where blood from healthy donors was incubated with different forms of transfer factors and other 4Life products which showed that 4Life Transfer Factor could calm an overactive immune system.* Learn more.
Positive influence of RiteStart as a foundational component in a 12-week personalized nutrition program.* Learn more.
Thermogenic properties of 4LifeTransform Burn in a 12-week weight management study.* Learn more.
An exploratory study on human gut microbiome modulation after a 25-day dietary cleansing and detoxification supplement regimen.* Learn more.
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