4Life Transfer Factor Advanced Formula delivers the immune support your body needs. The Transfer Factor E-XF™ proprietary blend combines polyvalent transfer factors from cows and chickens for synergistic and concentrated immune system support.

• Supports your body’s ability to remember past invasions, promoting efficiency and health within the immune system
• Educates naive immune cells about a present or potential danger, along with a plan for action
• Supports the recognition phase of a health threat
• Promotes immune system balance

• Transfer factors are tiny messenger molecules that transfer immunity information from one entity to another, such as between a mother and her breastfeeding infant.
• The extraction processes for transfer factors from colostrum and egg sources are protected by US patents 6,468,534 (egg yolks) and 6,866,868 (exclusive manufacturing techniques), with other patents pending.
• Independent laboratory studies show that 4Life Transfer Factor Advanced Formula boosts immune system effectiveness by raising Natural Killer cell function 283 percent. Natural Killer cells are on the front lines of your immune system.
• 4Life Transfer Factor products are featured in the 2003, 2004, and 2005 Physicians' Desk Reference For Nonprescription Drugs and Dietary Supplements, the standard supplement guide for physicians that can be found in physician offices, hospitals, and pharmacies throughout the United States.
• 4Life Transfer Factor products have been recommended by the Russian Federation for use as immune modulators in hospitals and clinics. This historic announcement was a result of ten separate clinical trials and two experimental studies extolling the benefits of 4Life Transfer Factor products.

RiteStart^®
4Life Transfer Factor RioVida™
4Life Transfer Factor Plus^® Advanced Formula

Transfer Factor E-XF (a patented concentrate of transfer factors and other natural components from cow colostrum and egg yolk)