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Since 1998, 4Life Research® has brought you the best quality products available to support your immune system and overall health. We are committed to ongoing innovation and scientific discovery, with products to help you lead a healthy life.*
4Life product formulations are developed through research and a commitment to the utmost quality and efficacy. The Certified 4Life Transfer Factor® guarantee ensures the identity, purity, strength, and composition of every 4Life Transfer Factor product that you consume.
The company’s in-house Research and Development team includes doctors and scientists who keep 4Life on the cutting edge of scientific advancement. Additionally, our Health Sciences Advisory Board (HSAB) assists in the development of new products and helps further research into 4Life Transfer Factor Science.
The science of 4Life Transfer Factor combines research, technology and product innovation to support your overall wellness. 4Life Transfer Factor is derived through three unique processes to offer a broad range of overall wellness:
Transfer Factor XF™ is an exclusive concentration of ultrafiltered 4Life Transfer Factor proteins and other peptides from bovine colostrum.
Transfer Factor E-XF™ is a patented concentrate of 4Life Transfer Factor proteins and other peptides from chicken egg yolk.
Tri-Factor™: a Formula that enhances the function of Transfer Factor E-XF with other cow colostrums nutrients
4Life offers numerous delivery methods, including capsules, chewable tablets, juice beverages, powders, and topical products.
Prior to distribution, many 4Life products undergo hundreds of tests. Extensive testing ensures the utmost quality throughout a product's lifecycle. 4Life invests millions of dollars on state-of-the-art laboratory equipment and operates one of the most advanced analytical labs in the direct selling industry to test raw materials and finished goods.
4Life manufacturing facilities include cutting-edge packaging, encapsulation, and blending equipment and have received NSF® International Good Manufacturing Practices (GMP) registration. Earning GMP Registration from NSF International verifies that 4Life employs proper methods, equipment, and controls in producing the highest quality dietary supplement products.
4Life Research establishes product efficacy through collaborations with academic institutions, scientific publications, and exploratory research.
4Life has also partnered with the University of Missouri to conduct a fully-randomized, placebo-controlled, 30-day efficacy study on the effectiveness of Renuvo®.
Corporate partnerships include the Molecular and Applied Sciences Laboratory (MASL), part of the School of Kinesiology in Auburn University’s College of Education.
Research is in our name and is reinforced through our commitment to innovation, substantiation, and education. The results of this research have appeared in numerous publications and journals, including: Nutrition & Metabolism; Applied Physiology, Nutrition, and Metabolism; Journal of the International Society of Sports Nutrition; and Medicine & Science in Sports & Exercise.
Numerous studies have shown the effectiveness of 4Life Transfer Factor in supporting health.
Our in-house research and development team is comprised of immune science experts and PhD recipients working hard to keep 4Life on the cutting edge. We’ve also enlisted the expertise of dozens of physicians and nutrition experts worldwide, all members of the Health Sciences Advisory Board.
David Vollmer, PhDChief Scientific Officer
“The 4Life Research and Development team is committed to creating excellent products of the highest quality for 4Life Affiliates and customers. Scientific credibility is at the core of what we do.”
Dr. Vollmer has enjoyed over 25 years of experience in product innovation, quality control, and laboratory management. His expertise includes technical and administrative leadership, development and validation studies for new products, laboratory and production specifications, and collaborative scientific affairs. He received his PhD in Analytical Chemistry from the University of Nebraska and his Bachelor of Science degree in Chemistry from Missouri Western State University. Throughout his career, Dr. Vollmer has authored numerous published articles, and is the co-inventor on various patents involving the discovery of pharmaceutical drugs as well as natural products for use in dietary supplements.
Brent Vaughan, PhD, RDVice President of Research and Development
“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.”*
Dr. Brent has 25 years of experience developing and researching dietary supplements. He has a master's degree in nutrition and food science from the University of Utah and a doctorate from Walden University in public health and epidemiology. He is also a registered dietitian.
Throughout his career, Dr. Brent has formulated several hundred products of all types. He is constantly learning new things and always looking for a way to do everything better, faster, and more efficiently.
Dr. Brent uses RiteStart® Men, Flex4Life®, and Vista® daily, but he has a hard time deciding which 4Life product is his favorite.
Lawry Han, PhD, FACNSenior Director, Product Development
“The 4Life product development team has always actively explored and harnessed the latest science and technology to create world class products of the utmost quality and efficacy. This is 4Life’s way of serving their distributors and customers and supporting their health and success.”
Dr. Han has over 12 years of progressive experience in product innovation, scientific and clinical research, and product education. His expertise covers R&D and cross-functional leadership, and quality, regulatory, and business management. Dr. Han has researched and innovated about 100 products, including nutritional supplements, over-the-counter drugs, skincare products, and essential oil products. He has published about 30 peer-reviewed biomedical research papers as lead or senior author. He holds a PhD in Biological Sciences from the University of Utah and a Bachelor of Engineering in Biological Engineering from Xi’an Jiao Tong University. Dr. Han was elected to be a fellow of the American College of Nutrition (FACN) for his outstanding contributions to the field of nutrition and health.
Robert W. Robertson, Jr., MD
“4Life Research is well-known in the nutraceutical industry as the leader in transfer factor research. If new discoveries are made, one can rest assured that the scientists at 4Life will be at the forefront.”
Dr. Robertson is one of the founding members of the Health Sciences Advisory Board and an active 4Life Affiliate. Following a lucrative career as the Director of Emergency Services at Western Baptist Hospital in Paducah, Kentucky, Dr. Robertson and his son Rob Robertson III, decided to start a nutritional supplement company. It was while conducting product research for their company that the two discovered the many benefits of transfer factors. Convinced of the importance of 4Life’s mission, they sold their company and became Affiliates. Dr. Robertson completed his education at the University of Louisville School of Medicine and worked as an intern at the University’s affiliated hospitals. He completed his residency in emergency medicine at the University of Louisville affiliated hospitals.
Teresa Tomalska, MD
“It seldom happens that one scientific discovery can bring such huge benefits to support the health of every human being. I firmly believe that 4Life Transfer Factor products hold the secret to optimal immune system function.”*
Dr. Tomalska completed her medical training at the Medical Academy of Lublin in Poland. She came to the United States several years ago, intending to only stay for a short visit. Right before leaving, she was introduced to 4Life. Dr. Tomalska decided to stay and devote herself full-time to teaching people about supporting good health. In an effort to further this cause, Dr. Tomalska currently hosts two informative radio shows called “Balsam” and “Toward Health” in Chicago, Illinois, and publishes a monthly newsletter entitled “To Your Health.” She also organizes seminars on topics such as women’s health, cardiovascular health, and health for Polish families.
Elena Enioutina, MD, PhD
“As a trained pharmacologist, I have very high standards when it comes to herbal products. 4Life products drew my attention, and I was amazed by these balanced, well-thought-out products. I use 4Life Transfer Factor® products to support my immune system.”*
Dr. Enioutina graduated from the Sechenov Moscow Medical Academy with a medical degree in preventive medicine and epidemiology. She was also awarded a doctorate degree in pharmacology/toxicology from the All-Union Institute of Medicinal Plants in Moscow. Dr. Enioutina’s dissertation focused on the effects of herbal cholesterol-lowering drugs on the immune system and corrections of these adverse reactions by multivitamin complexes. She has published a series of articles describing the use and regulation of herbal products. Over the last two decades, she has investigated the molecular mechanisms of immune responses following vaccination. Currently, Dr. Enioutina is a faculty member of the University of Utah Division of Pediatric Clinical Pharmacology. She devotes her free time to education and translational research.
Mei-Ling Siu-Caldera, MD, PhD
“Good nutrition is the foundation for physical and mental wellness.”
Dr. Siu-Caldera is a medical doctor who has done extensive research on the benefits of vitamin D in cancer treatment. She provides nutrition counseling with a focus on weight management, dietary and lifestyle modification, cardiovascular health, and sports nutrition. Dr. Siu-Caldera graduated from the University of San Carlos in Guatemala and received her PhD in Nutrition from the University of Connecticut, Storrs. She has published more than 20 peer-reviewed research papers and contributed articles in newspapers and magazines to increase public awareness on nutrition health.
J. Ty Hopkins, PhD, ATC
“4Life is committed to scientifically vetting the development of their products, as well as using only high quality ingredients and maintaining the highest quality control. In an industry where most companies are not committed to this type of quality, 4Life stands out. As a scientist and an athlete, I am happy to recommend 4Life products to those who would like to supplement their healthy lifestyle."
Ty Hopkins is currently a professor at Brigham Young University, where he coordinates the graduate programs in athletic training and physical medicine and rehabilitation. Dr. Hopkins graduated from Brigham Young University with a BS in Athletic Training. His graduate work was completed at Indiana State University where he earned an MS in Athletic Training and a PhD in Life Sciences.
The focus of Dr. Hopkins’ research centers on joint health: prevention and rehabilitation of lower extremity joint injury. He has produced over 70 peer review publications and he has presented his work nationally and internationally hundreds of times. He enjoys working with students in the laboratory and regularly uses his work from the laboratory in the classroom.
Dr. Hopkins serves as an editor for the Journal of Athletic Training, and he serves on editorial boards and as a reviewer with many other journals and granting agencies. He is also a Fellow with the National Athletic Trainers’ Association and the American College of Sports Medicine.
Joy Irobi, PhD
"The 4Life Transfer Factor™ products help you maintain a healthy lifestyle. I'm excited to join the team of scientists that will develop the new generation of 4Life products for a healthy lifestyle".
Dr Irobi earned her doctorate in the field molecular genetics and for 17 years she was lead researcher at the internationally renowned Department of Molecular Genetics at the University of Antwerp, Belgium. She is now a research professor in Biological Sciences and Medicine at the University of Hasselt's Biomedical Institute (BIOMED) in Belgium. Dr Irobi's research team at the University of Hasselt focuses on deciphering the neuroprotective biological markers in exosomes or extracellular vesicles that send signals during neuroinflammation. Dr Irobi has produced more than 30 publications and received many awards for her contributions to the field of biomedical sciences.
Don Otter, PhD
“The reputation of an international supplement manufacturer is reliant upon the integrity of products, the caliber of manufacturing, the science behind formulas and, of course, research to substantiate innovation. 4Life has been a world leader for more than two decades. I’m confident that there are decades of 4Life advancements to come.”
Dr. Otter completed his doctorate degree in chemical and materials engineering at The University of Auckland in 1987. For the past 30 years, he’s developed a reputation as an innovative, interdisciplinary dairy product scientist and professor. Prior to his position as Associate Professor in the Food Science Department at the Auckland University of Technology, he served as a Senior Outreach Specialist at the Center for Dairy Research, University of Wisconsin-Madison, a Senior Research Scientist for a food and bio-based products company, and visiting scientist at North Carolina State University in Raleigh, NC.
Dr. Otter’s professional distinctions include sitting on the Editorial Board of the International Dairy Journal and participating in the Executive Committee for the New Zealand Institute of Food Science and Technology.
Lili Yang, MD, PhD
"Eat well, Fight well, Live well"
Dr. Lili Yang is a professor in Department of Nutrition in School of Public Health of Sun Yat-sen University, China. Her study focuses on how energy homeostasis are affected by food derived bioactive components and how these compounds play roles in health and wellness.
Dr. Lili Yang earned her Ph.D degree advised by Dr. Henri Brunengraber in Case Western Reserve University in Cleveland, USA in 2006. She continued her postdoc training in Cleveland Clinic for 4 years. Then she worked as instructor in Mount Sinai School of Medicine and Medical center of Cornell University for another 3 years. She started to establish her lab in China in 2013. She has more than 40 published peer-reviewed papers, and her lab is supported by three national funds and three provincial funds.
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