Supplements

Authoritative online information

FDA: Consumer Information on Dietary Supplements 

Harvard Health Publications - Supplements: A scorecard (2012)

MedlinePlus: Herbs and Supplements

National Center for Complementary and Integrative Health

• Dietary and Herbal Supplements

• Herbs at a Glance

• Using Dietary Supplements Wisely

• Learn about herb-drug interactions

National Institutes of Health - Office of Dietary Supplements: 

• Dietary Supplement Fact Sheets

• Frequently Asked Questions

• For Health Professionals

Nutrition.gov - Dietary supplements

Pharmacopeial Convention (USP):  a scientific nonprofit organization that sets standards for medicines, food ingredients, and dietary supplements. 

USP-Verified-Dietary-Supplements (www.quality-supplements.org) - "products that have successfully met the program's stringent testing and auditing criteria. The program was established by USP to help dietary supplement manufacturers ensure the production of quality products for consumers."

• View USP Verified products and where they can be found.

• View a list of companies who manufacture products that are USP Verified.

• The USP Verified Mark also appears next to verified products featured on the Natural Medicines Comprehensive Database.