“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 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