Nutritional Advisory Board Members:

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Nikolaos Sitaras, M.D.

Member, Herbalife Nutrition Advisory Board

Nikolaos Sitaras, M.D., is a member of Herbalife’s Nutrition Advisory Board, based in Greece. The board 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.

Sitaras is currently associate professor of pharmacology at Athens University Medical School.

He is a practicing physician, author and lecturer, with an interest in digestive health and nutrition. Sitaras has published extensively on the subject of genetic disorders and nutrition and, since 2002, has focused on the effects of dietary supplements in healthy over—50 population.

He is an active member of the European Association of Ethnopharmacology, the Athens Medical Association, the Greek Association of Public Health Education and the Association of Pharmacology.

Sitaras completed his medical studies at Athens University Medical School in 1977, followed by a Ph.D. in pharmacology. He took up a research fellowship in the Department of Nutrition at Harvard University’s School of Public Health in the late 1980s. Sitaras has been director of the medical departments of the Greek branches of pharmaceutical companies Sandoz and Abbott Laboratories and has consulted for Wyeth Consumer Healthcare as well as serving on their European Nutrition Advisory Board. He is currently a member of the administrative council of the EOF, the Greek national drug regulating body.

This information about members of the Herbalife Nutrition Advisory Board (NAB) was current in February 2009. While this page is periodically updated to keep current the main reason for the Doctor Listings is for people to understand the depth and breadth of the medical advice supporting the Herbalife companies and products. For a current list of members of the NAB visit

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