American Cancer Society
American Diabetes Association
National Institute of Diabetes & Digestive & Kidney Diseases
American College of Sports Medicine
American Council on Exercise
National Academy of Sports Medicine
National Strength & Conditioning Association
President's Council on Physical Fitness & Sports
American Heart Association
American Stroke Association
National Stroke Association
National Cholesterol Education Program
American College for Advancement in Medicine
Council for Responsible Nutrition
International and American Association of Clinical Nutritionists
American Society for Nutrition Sciences
American Dietetic Association
International Society for Orthomolecular Medicine
CDC Division of Nutrition & Physical Activity
Nutrition Data
National Osteoporosis Foundation
National Institutes of Health Osteoporosis and Related Bone Diseases
Pub Med
Medline
WebMD