Vitamins, Herbs, and Dietary Supplements

Vitamins, Herbs, and Dietary Supplements

Find evidence-based information on individual ingredients such as herbs, vitamins, minerals, and other dietary supplements. The supplement monographs on RxList include a description, review of effectiveness, how it works, safety concerns, and interactions with medications.

Browse Vitamins, Herbs, & Supplements by Letter

Featured Supplement: Flaxseed


Flaxseed.Flaxseed is the seed from the plant Linum usitatissimum. The seed or the seed oil is used to make medicine. Flaxseed binds with cholesterol in the gut and prevents it from being absorbed. Flaxseed is also a source of dietary fiber. More...

Take the Vitamins and Supplements Quiz!

Popular Dietary Supplements



Search the Medical Dictionary for Health Definitions & Medical Abbreviations