“4Life Transfer Factor is an outstanding source of immune system support. Understanding the value of transfer factors and how they promote better health is of continued interest to me. The 4Life science team is committed to advancing sound scientific-based research for generations to come.”

Said Daibes, PhD

4life doctors Said Daibes Figueroa

“I have always had an interest in nutrition and supplementation. Sound science and a commitment to quality are just the beginning of the effective support offered by 4Life Transfer Factor products. 4Life truly is impacting the way people live today.”

Shane Lefler, MS

4life doctor testimonial Shane Lefler

“4Life Transfer Factor products work together to provide some of the best immune system support currently available. Strength, focus, and coordination all in one place give your immune system its best chance for maintaining health and wellness.”

Brent Vaughan, PhD, RD

4life doctor brett vaughan

“Transfer factors and nanofraction molecules, and the immune modulation they provide, could be the key for the future of immune system health.”

Edgar A. Guess, Jr., MD, FACOG

Dr Edgar Guess

“4Life is a company that not only was and has been at the forefront of Transfer Factor bioactive research, but is committed to pioneering new discoveries and innovations to bring about the best in life possible for the people that use 4Life products.”

Chris Lockwood, PhD, CSCS

Dr Chris Lockwood

“I am taking the product including my family and patients. Many skeptical doctors like me are now believers of transfer factor.”

Deliciaflor Perea, M.D

Dr Deliciaflor Perea

“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

“Before I was skeptic but now I am a true believer of this product.”

Alex L. Tan, M.D., FPCS, FPSGS

Dr Alex Tan

“There is no other product in a nutritional substance, nor a drug, that has this kind of power and ability to affect our immune system. With the increase of immune invaders and food contamination, our only hope and defense must lie within our own immune system.”

Darryl See, M.D

darryl see

“4Life not only represents a rare combination of incredible products, cutting edge technology, and modern science, but its products allow people around the globe to have better lives.”

Emma Oganova, M.D., PhD

Dr Emma Oganova

“In my 50 years of medical practice, 4Life Transfer Factor products have, without question, made the most significant impact on me and my patients. 4Life’s discovery of the power of nanofraction molecules stands out as a major medical breakthrough.”

Duane Townsend, M.D

4life doctor Duane Townsend

“Transfer Factor is the most promising breakthrough in health care discovered in the past several decades. We are just beginning to explore all of the potential of transfer factors. Nutraceuticals like Transfer Factor are the wave of the future.”

Victor Tutelian, M.D, M.P.H

Dr Victor Tutelian

“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