Editing Vitamin E (section)

=== All-cause mortality ===
Two [[meta-analysis|meta-analyses]] concluded that as a dietary supplement, vitamin E neither improved nor impaired all-cause mortality.<ref name=Abner2011>{{cite journal | vauthors = Abner EL, Schmitt FA, Mendiondo MS, Marcum JL, Kryscio RJ | title = Vitamin E and all-cause mortality: a meta-analysis | journal = Current Aging Science | volume = 4 | issue = 2 | pages = 158–70 | date = July 2011 | pmid = 21235492 | pmc = 4030744 | doi = 10.2174/1874609811104020158 }}</ref><ref name=Curtis2014>{{cite journal |vauthors=Curtis AJ, Bullen M, Piccenna L, McNeil JJ |title=Vitamin E supplementation and mortality in healthy people: a meta-analysis of randomised controlled trials |journal=Cardiovasc Drugs Ther |volume=28 |issue=6 |pages=563–73 |date=December 2014 |pmid=25398301 |doi=10.1007/s10557-014-6560-7 |s2cid=23820017 }}</ref> A meta-analysis of long-term clinical trials reported a non-significant 2% increase in all-cause mortality when alpha-tocopherol was the only supplement used. The same journal article reported a statistically significant 3% increase for results when alpha-tocopherol was used in combination with other nutrients (vitamin A, vitamin C, beta-carotene, selenium).<ref name=Bjelakovic2014 />