Bottom Line Summary
Vitamin and Mineral Supplements
Americans spend an estimated $11.8 billion each year on vitamin and mineral supplements1. This is a systematic review of fair and good quality randomized trials and observational studies of vitamin and mineral supplements either alone or in combination in adults without known nutritional deficiencies1.
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References:
1. Fortmann SP, Burda BU, Senger CA, Lin JS, Whitlock EP. Vitamin and mineral supplements in the primary prevention of cardiovascular disease and cancer: An updated systematic evidence review for the U.S. Preventive Services Task Force. Ann Intern Med. 2013 Dec 17;159(12):824-34. Review. PubMed PMID: 24217421.
2. http://www.uspreventiveservicestaskforce.org/uspstf/uspsvita.htm