4Life® is in the PDR
When physicians want information on the latest and greatest herbs and supplements, they turn to the PDR (Physicians’ Desk Reference for Non-prescription Drugs, Dietary Supplements, and Herbs). And 4Life Transfer Factor® products have been listed in the PDR since 2002. Our Patents 4LIfe holds 11 issued or pending, including two exclusive patents: the extraction process for Transfer Factors from chicken egg yolks (6,468,534) and exclusive manufacturing techniques for combining Transfer Factors from cow colostrum and chicken egg yolks (6,866,868).
If this was a report card, you might say that 4Life® consistently achieves an A+. Our achievements include awards, certificates, and celebrity endorsements. We’ve also appeared on national television and in well-known publications.