Scientific Commitment
As a leader in the wellness industry, Herbalife prides itself on the work of our three scientific bodies: the Scientific Advisory Board, Medical Advisory Board and Medical Affairs Group. Together, these teams, comprised of distinguished doctors, award-winning scientists and renowned wellness experts, help advance the field of nutritional science, ensure our products are high quality and educate customers worldwide on every aspect of good health.

Medical Advisory Board

David Heber, M.D., Ph.D., F.A.C.P., F.A.C.N.

Dr. Heber's main research interests are obesity treatment and nutrition for cancer prevention and treatment. He is Professor, UCLA Department of Medicine - Division of Clinical Nutrition, at the David Geffen School of Medicine, UCLA*, and UCLA School of Public Health; Director, UCLA Center for Human Nutrition; Director, NIH Center for Dietary Supplement Research in Botanicals (CDSRB); Director, NCI-funded Clinical Nutrition Research Unit; Vice Chair, UCLA Collaborative Centers for Integrative Medicine

Dr. Heber is included in the "The Best Doctors in America" and "Who's Who in America?" He has authored over 70 articles and three books for the public, including "What Color is Your Diet?"

Dr. Heber holds a B.S. Chemistry, Magna Cum Laude, UCLA, 1969; M.D. 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.

*Dr. Heber's title is for identification purposes only. The University of California does not endorse specific products or services as a matter of policy.

Jamie McManus, M.D., F.A.A.F.P.

A vegetarian and runner, Dr. McManus started using our nutritional supplements in 1990. In 1997, she joined the company as Senior Vice President, Medical Affairs & Education, and was appointed to the Medical Advisory Board, assisting in the development of new products. Motivated by her philosophy that medicine integrates a variety of healing methods including nutrition, exercise, supplements and herbs, Dr. McManus created the "Doctor - Distributor Network" of medical professionals from various disciplines. This worldwide network provides information to health professionals interested in the power of nutrition. Dr. McManus holds a B.S. in Biological Sciences, Cum Laude and a M.D. with honors, achieving membership in the Alpha Omega Alpha Medical Honor Society at University of California, Davis. After completing her residency and a Fellowship with the American Academy of Family Practice, she practiced family medicine in California and Washington for 14 years.

Mario Rosenberg, M.D. 

Dr. Rosenberg is a practicing physician and member of Herbalife's Scientific and Medical Advisory Board.

Along with his practice in Beverly Hills specializing in internal medicine, gastroenterology, preventive health care and nutrition, Dr. Rosenberg also founded the Research Foundation of America for clinical trials in the treatment of gastrointestinal disease and obesity.

Board Certified in Internal Medicine, 1976, and Gastroenterology, 1977, Dr. Rosenberg serves as the Clinical Chief, Division of Gastroenterology, at Cedars Sinai Medical Center and Associate Clinical Professor of Medicine at UCLA School of Medicine.

Dr. Rosenberg graduated Magna Cum Laude from the National University of Mexico School of Medicine, 1971. He completed internship at Tulane University and residency in internal medicine at Tufts University. While an instructor at Peter Bent Brigham Hospital, he completed a gastroenterology fellowship at the prestigious, Harvard Medical School-affiliated Lahey Clinic.


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