“4Life has proven itself to be a company that provides sound dietary supplements, in keeping with the latest research. This committment to providing revolutionary natural products is one that I am excited to help develop. I am particularly struck with the potential that exists for the transfer factor. Transfer factor is today where vitamins and herbs were 15 years ago.”

Calvin McCausland, PhD

Dr Calvin McCausland

“I believe transfer factor is, without a doubt, the greatest discovery of the century in supporting and modulating the immune system. I believe a strengthened immune system will be the primary way to stay well in the future. This nutrient can affect the immune system like nothing else can. I sincerely believe everyone needs to consume this product.”

Rob Robertson, M.D

rob robertson transfer factor 4life