The Immune System Company

Leading the way in immune system science for more than 25 years

Transfer Factor Immune Support

Each of these products has the same star ingredient; the one that started it all: 4Life Transfer Factor^®! In these products, you’ll find different levels of immune system support, different delivery methods, and some are even approved for ages 4 and up.

 

Take the Health4Life Assessment to find the best products to optimize your health.

Science you can trust

 

Help your body recognize, respond to, and remember potential health threats with 4Life Transfer Factor^®, an immune system memory molecule that is clinically proven to activate the immune system within two hours!

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