You’ve probably heard that taking vitamin C or zinc will keep you from getting sick, but it turns out that those popular cure-alls don't actually work.


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Sources:
http://www.ur.umich.edu/0203/Mar10_03/15.shtml
https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/215118
https://www.ncbi.nlm.nih.gov/pubmed/24766384
https://www.ncbi.nlm.nih.gov/pubmed/16373990
https://www.quackwatch.org/01QuackeryRelatedTopics/pauling.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3145266/
https://www.ncbi.nlm.nih.gov/pubmed/19263912
https://www.ncbi.nlm.nih.gov/pubmed/23440782
http://ajcn.nutrition.org/content/68/2/447S.abstract
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2277319/
https://www.ncbi.nlm.nih.gov/pubmed/23775705
https://www.nap.edu/read/10026/chapter/14#486
https://www.health.harvard.edu/blog/zinc-for-the-common-cold-not-for-me-201102171498
https://www.fda.gov/food/resourcesforyou/consumers/ucm109760.htm
https://www.nytimes.com/2015/02/07/opinion/herbal-supplements-without-herbs.html
https://www.ncbi.nlm.nih.gov/pubmed/27748955
https://www.ncbi.nlm.nih.gov/pubmed/25420096
http://www.bmj.com/content/328/7438/499
https://www.ncbi.nlm.nih.gov/pubmed/23733381
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Images:
https://commons.wikimedia.org/wiki/File:L_Pauling.jpg