A preliminary scientific test suggests that 4Life Transfer Factor® Tri-Factor® Formula strengthens your immune system guard by increasing the number of protective IgA antibodies. Shown in 100% of people tested!
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Immunoglobulin A (IgA) test results obtained from a preliminary, open-label study on 21 reportedly healthy adults. Participants took 4Life Transfer Factor Tri-Factor Formula for two weeks, followed by 4Life Transfer Factor RioVida® Tri-Factor Formula. *100 percent of participants saw an increase in the production rate of salivary secretory IgA by an average of 73% after taking 4Life Transfer Factor products for 4 weeks when compared to the 1 week baseline. A brief drop occurred at the transition between the two products.