Heber’s main research interests are obesity treatment and nutrition for cancer prevention and treatment. He is the director of the Center for Human Nutrition at the University of California, Los Angeles*.   Heber has been on the faculty of the UCLA School of Medicine since 1978, and is currently professor of medicine and public health and the founding chief of the division of clinical nutrition in the department of medicine.

He directs the National Cancer Institute (NCI) funded clinical research unit and the National Institutes of Health (NIH) nutrition and obesity grants at UCLA.  For five years, he also directed the NIH-funded UCLA Center for dietary supplement research in botanicals.

Heber is included in “The Best Doctors in America” and “Who’s Who in America.”  In addition to writing over 200 peer-reviewed scientific articles and four professional texts, he has also written four books for the public:  “Natural Remedies for a Healthy Heart,”   “The Resolution Diet,” “What Color is Your Diet?” and “The L. A. Shape Diet.”

Heber holds a B.S. in chemistry, Magna Cum Laude, UCLA, 1969; M.D. from Harvard Medical School, 1973; and Ph.D. in Physiology, University of California, 1978.  He is board certified in internal medicine and endocrinology and metabolism by the American Board of Internal Medicine and in clinical nutrition by the American Board of Nutrition.

*  The University of California as a matter of policy does not endorse specific products or services.  Dr. Heber’s credentials as a Professor are for identification purposes only.

Louis Ignarro, Ph.D.
Herbalife Nutrition Institute, Nutrition Advisory Board

Louis Ignarro, Ph.D., is a member of the editorial board of the Herbalife Nutrition Institute and a member of Herbalife’s Nutrition Advisory Board. The NAB is made up of leading experts around the world in the fields of nutrition and health who educate and train Herbalife independent distributors on the principles of nutrition, physical activity and healthy lifestyle.

Ignarro has made exceptional contributions to science. His efforts were recognized with the Nobel Prize in Physiology or Medicine in 1998 for his discovery of nitric oxide and its range of benefits to the human body.  His work has since led to additional research by scientists around the globe on nitric oxide.  After working with Herbalife to develop Niteworks™, a dietary supplement designed to boost the body’s own production of nitric oxide, Ignarro became a member of the Company’s Scientific Advisory Board.

Ignarro is currently a distinguished professor of pharmacology at the UCLA School of Medicine’s Department of Molecular and Medical Pharmacology in Los Angeles, which he joined in 1985.  Before relocating to California, he was a professor of pharmacology at Tulane University School of Medicine, New Orleans, for 12 years.  Previously, Ignarro was a staff scientist, research department, for the pharmaceutical division of CIBA-GEIGY Corporation in New York.

Ignarro has published numerous articles on his research.  In addition to the Nobel Prize, he also received the Basic Research Prize of the American Heart Association in 1998, in recognition of his outstanding contributions to the advancement of cardiovascular science. That same year, he was inducted into the National Academy of Sciences and the following year, into the American Academy of Arts and Sciences.

He is the founder of the Nitric Oxide Society, and founder and editor-in-chief of “Nitric Oxide Biology and Chemistry.” Ignarro holds a B.S. in pharmacology, Columbia University, 1962, and a Ph.D. in pharmacology, University of Minnesota, 1966.  He also received a postdoctoral fellowship in chemical pharmacology from National Institutes of Health in 1968.

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Luigi Gratton. M.D., M.P.H.
Vice President, Nutrition Education

As vice president, nutrition education, Luigi Gratton, M.D. coordinates the strategic management and direction of Herbalife’s Nutrition Advisory Board to ensure Distributors have a thorough understanding of products, ingredients and their benefits.

Gratton, a physician specialist in family medicine and clinical physician at the UCLA Center for Human Nutrition in the risk factor obesity program, works closely with Distributor trainers around the world to ensure the dissemination of accurate product information. He also speaks at major Herbalife events, enhancing Distributors’ knowledge about Herbalife products.

He has written numerous articles on nutrition and obesity and has appeared on television speaking on nutrition anti-aging medicine, sports nutrition and other medical topics.

Gratton earned an undergraduate degree in science and a masters in public health from University of California, Los Angeles. He was awarded a medical degree from Mount Sinai Medical School of New York University and fulfilled his residency in family medicine at Los Angeles County Hubert Humphrey Family Medicine Center. He completed a postdoctoral fellowship in clinical nutrition at the David Geffen School of Medicine at UCLA.

Gratton has been awarded Diplomate of The American Board of Family Practice and The American Board of Physician Nutrition.

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Pedro Barreda Munoz, M.D.

Pedro Barreda Munoz, M.D. is a member of Herbalife’s Nutrition Advisory Board, based in Chile.  The NAB is made up of leading experts around the world in the fields of nutrition and health who educate and train Herbalife independent distributors on the principles of nutrition, physical activity and healthy lifestyle.

Barreda is a pediatrician in private practice in Chile, since 1989. Previously, he was a professor at several Chilean universities including Pontificia Universidad Catolica, Universidad de Chile and Universidad de Concepcion.  Barreda also serves as president of Docencia del Nino Foundation, teaching pre- and post-graduate studies throughout the country.

He has written extensively on pediatric medicine, on such topics as the relationship between Omega-3 and infants, probiotics and advancements in pediatric medicine.

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Banu Cayci, M.D.

Banu Cayci, M.D. of Turkey an associate professor at the School of Medicine and the hospital at Gazi University, where she has instructed since 1995.

The NAB is comprised of leading experts around the world in the fields of nutrition and health who educate Herbalife independent distributors and, in China, sales employees, on the principles of nutrition, physical activity and healthy lifestyle.

Cayci’s research has focused on the relationship between obesity, exercise, antioxidants and disease. From 2004-2008, she served as the head of the Gazi University Hospital central biochemistry, hormone and emergency department laboratories.

She has authored over 100 research articles in international journals. Cayci is the president of the Ankara branch of the Turkish Clinical biochemistry Society and often appears on television to talk about various health issues.