Resource Library
The Center for Science in the Public Interest’s resource library is the place to find primary source material such as fact sheets, legal and regulatory filings, letters to agencies, infographics, and other documents.
Nutrition Tips
Does vitamin K2 strengthen bones?
“Vitamin K2 is crucial for osteoporosis prevention,” claims Mercola.com (which will be happy to sell you a 30-day supply of K2 for $28).
“There are 11 forms of vitamin K,” says Sarah Booth, director of the Vitamin K Laboratory and of the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University.
Leafy greens are good sources of K1. The other 10 forms, collectively called K2, are made by bacteria.
How to Eat Smarter
Our publication, Nutrition Action Healthletter, keeps you up-to-date on food safety and nutrition information.
