The Immune System Company

4Life Transfer Factor® Classic Formula—5 Pack

Formula that helps educate immune cells and promote the immune system’s ability to more effectively recognize, respond to, and remember potential health threats*

This pack is not eligible for Loyalty Program orders.

Due to inventory-related issues from our manufacturer, some of our blue product caps have been replaced with a temporary white cap. Our traditional blue cap will return soon! In the meantime, rest assured knowing our products contain the same great formula you know and love.

Immune System
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Transfer factors are nature’s immune wisdom, helping your body recognize, respond to, and remember potential health threats.*


potential health threats.*


Transfer factors carry important messages to immune cells and help them quickly identify invading threats.*


faster to those threats.*


Transfer factors help speed up the immune system’s response to a potential threat after it’s been identified.*


how to act when those threats return.*


Transfer factors lend a hand in remembering the specific makeup of the threats your immune system comes across, so the next time they're encountered, your body knows exactly what they are and how to combat them.*

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