American Botanical Council: An independent, non-profit research and education organization dedicated to providing accurate and reliable information about herbal medicine.


Linus Pauling Institute: A research institute specializing in the investigation of the role micronutrients, phytochemicals, and dietary supplements in human aging, immune function, and chronic diseases. Affiliated with Oregon State University.


Oldways: A non-profit food and nutrition education organization, with a mission to guide people to good health through heritage, with a special emphasis on education about the Mediterranean diet.