American College for Advancement in Medicine - a not-for-profit medical society dedicated to educating physicians and other health care professionals on the latest findings and emerging procedures in preventive/nutritional medicine
Bastyr University - academic centers for advancing knowledge in the natural health sciences
ConsumerLab - provider of independent test results and information to help consumers and healthcare professionals evaluate health, wellness, and nutrition products
HealthFinder.Gov - U.S. Department of Health and Human Services - Guide to Reliable Alternative Medicine Health Information Listed by the Federal Government
Linus Pauling Institute - the Institute at Oregon State University functions from the basic premise that an optimum diet is the key to optimum health