SOURCES:
Roberta Anding, MS, RD, LD, CDE, CSSD, American Dietetic Association spokeswoman.
Roger Clemens, PhD, Spokesperson, Institute of Food Technologists, Chicago.
Paul M. Coates, PhD, Director, Office of Dietary Supplements, National Institutes of Health, Bethesda, MD.
David Leopold, MD, Director of Integrative Medical Education at the Scripps Center for Integrative Medicine.
Christine Gerbstadt, MD, MPH, RD, LDN, American Dietetic Association Spokesperson.
Longe JL, ed, The Gale Encyclopedia of Alternative Medicine, second edition, 2004.
National Center for Complementary and Alternative Medicine web site, “Herbs at a Glance: Bitter Orange,” “Herbs at a Glance: Asian Ginseng.”
National Sleep Foundation web site, “The Short Story on Napping.” Natural Standard Herb and Supplement database web site.
Office of Dietary Supplements web site, “Carnatine,” “Vitamin B12.”
Andrew Shao, PhD, Vice President , Scientific & Regulatory Affairs, Council for Responsible Nutrition, Washington, DC.
Puetz TW et al, Psychological Bulletin, 2006; vol 132: pp 866-76.
Paul R. Thomas, EdD, RD, Scientific Consultant, Office of Dietary Supplements, National Institutes of Health, Bethesda, MD.
WebMD Medical News, “Exercise Fights Fatigue, Boosts Energy.”
Gonzalez de Mejia, E. et al. Brain, Behavior, and Immunity, 2009; vol 23: pp 721-731.