Do Supplemental Vitamins Actually Work? 

A vitamin a day keeps you healthy to play. Or does it?
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CREDITS:
Vintage Juvenal ad is in the public domain. Source from archive.org:
archive.org/de...
Nature's Way Alive! Gummies image source:
www.walmart.com...
Vintage Nutrilite image source:
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SOURCES:
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health.howstuff...
health.howstuff...
Want to Stay Healthy? Don't Rely on Vitamins. By: Sifferlin, Alexandra, Time.com, 11/12/2013
Vitamin Supplements: Hope vs. Hype. By: Perez, Rachel, Tufts University Health & Nutrition Letter, 15260143, Aug2011, Vol. 29, Issue 6
Are the top-selling vitamins worth taking? (cover story). (2011). Consumer Reports on Health, 23(3), 1-5.
Guallar E, Stranges S, Mulrow C, Appel LJ, Miller ER. Enough Is Enough: Stop Wasting Money on Vitamin and Mineral Supplements. Ann Intern Med. 2013;159:850-851.