Millions of people swear by vitamin and mineral supplements, but a new massive report may have consumers thinking twice before refilling their next bottle. NBC’s senior consumer investigative correspondent Vicky Nguyen reports for TODAY on whether or not you really need daily supplements. 

» Subscribe to TODAY: http://on.today.com/SubscribeToTODAY
» Watch the latest from TODAY: http://bit.ly/LatestTODAY
About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series.

Connect with TODAY Online!
Visit TODAY’s Website: http://on.today.com/ReadTODAY
Find TODAY on Facebook: http://on.today.com/LikeTODAY
Follow TODAY on Twitter: http://on.today.com/FollowTODAY
Follow TODAY on Instagram: http://on.today.com/InstaTODAY

#Health #Vitamins #Supplements
Video Rating: / 5

Are dietary supplements actually helpful? More than half of Americans take a dietary supplement, but the truth is, most people don’t need them. There are, however, a handful of supplements that scientists do recommend! Join Hank Green for new health-focused episode of SciShow!
———-
Sources:
http://www.merckmanuals.com/professional/special-subjects/dietary-supplements/overview-of-dietary-supplements
https://nccih.nih.gov/health/herbsataglance.htm
https://nccih.nih.gov/health/supplements/wiseuse.htm
https://nccih.nih.gov/health/vitamins
https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-Consumer/
https://ods.od.nih.gov/factsheets/WeightLoss-Consumer/
http://time.com/5118902/nih-dietary-supplement/
http://www.nejm.org/doi/full/10.1056/NEJMsa1504267 ER visits
http://time.com/4072487/supplements-cause-more-than-23000-er-visits-a-year/
https://jamanetwork.com/journals/jama/article-abstract/2565733 supplement paradox
https://jamanetwork.com/journals/jama/fullarticle/183163 selenium/vitE on prostate cancer


https://newsatjama.jama.com/2016/03/24/jama-forum-why-take-vitamin-d-supplements-if-they-dont-improve-health/
http://www.nejm.org/doi/full/10.1056/NEJMoa052771 glucosamine combo
http://www.nejm.org/doi/full/10.1056/NEJMcp1210380 calcium & fracture
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3970298/ calcium & osteop
http://www.cochrane.org/CD004760/NEUROMUSC_creatine-for-treating-muscle-disorders
https://jissn.biomedcentral.com/articles/10.1186/s12970-017-0173-z
https://www.webmd.com/men/creatine#1
http://umich.edu/~medfit/supplementation/creatinebasicsandbiochemistry101705.html
https://theconversation.com/health-check-which-sports-supplements-actually-work-83093
http://www.merckmanuals.com/professional/special-subjects/dietary-supplements/creatine
https://www.webmd.com/food-recipes/features/truth-about-beetroot-juice
https://www.medscape.com/viewarticle/865211
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4288952/
http://ajcn.nutrition.org/content/103/1/25.abstract
https://link.springer.com/article/10.1007%2Fs40279-016-0617-7
http://www.merckmanuals.com/professional/nutritional-disorders/vitamin-deficiency,-dependency,-and-toxicity/folate
https://medlineplus.gov/folicacid.html
https://www.womenshealth.gov/a-z-topics/folic-acid
https://medlineplus.gov/neuraltubedefects.html
https://medlineplus.gov/ency/article/000551.htm

Anemia, Megaloblastic


https://www.cdc.gov/ncbddd/birthdefects/anencephaly.html
https://jamanetwork.com/journals/jamapsychiatry/article-abstract/2667432 autism
https://www.ncbi.nlm.nih.gov/pubmed/28756618 cochrane eyes
https://jamanetwork.com/journals/jama/fullarticle/1684847 AREDS2 2013
https://nccih.nih.gov/health/antioxidants/introduction.htm
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD000254.pub4/abstract
http://www.rnib.org.uk/eye-health-eye-conditions-age-related-macular-degeneration-amd/nutritional-supplements-age-related
https://www.hopkinsmedicine.org/health/healthy-sleep/sleep-science/melatonin-for-sleep-does-it-work
http://www.merckmanuals.com/professional/special-subjects/dietary-supplements/melatonin
https://nccih.nih.gov/health/melatonin
https://www.webmd.com/sleep-disorders/tc/melatonin-overview#1
https://www.webmd.com/sleep-disorders/news/20171004/is-natural-sleep-aid-melatonin-safe
http://news.mit.edu/2001/melatonin-1017
http://www.cochrane.org/CD001520/DEPRESSN_melatonin-for-the-prevention-and-treatment-of-jet-lag
https://www.consumerreports.org/vitamins-supplements/does-melatonin-really-help-you-sleep/
http://news.mit.edu/2005/melatonin
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1370968/ BMJ 2006
http://onlinelibrary.wiley.com/doi/10.1002/lary.25689/full laryngoscope
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2829880/
https://archive.ahrq.gov/clinic/epcsums/melatsum.htm
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0063773

Study finds that melatonin content of supplements varies widely


http://jcsm.aasm.org/ViewAbstract.aspx?pid=30954
https://www.gwern.net/docs/melatonin/2005-brzezinski.pdf 2005 review
https://www.webmd.com/depression/guide/st-johns-wort#1
http://www.merckmanuals.com/professional/special-subjects/dietary-supplements/st-john%E2%80%99s-wort
https://nccih.nih.gov/health/stjohnswort/sjw-and-depression.htm
https://www.umm.edu/health/medical/altmed/herb/st-johns-wort
https://www.mayoclinic.org/drugs-supplements-st-johns-wort/art-20362212
http://pubs.acs.org/doi/abs/10.1021/ed081p1450
https://www.ncbi.nlm.nih.gov/pubmed/15492771
https://nccih.nih.gov/research/results/spotlight/120908.htm
https://www.ncbi.nlm.nih.gov/pubmed/18843608