# OnCo record vitamin-e-supplements (technology). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/technologies/vitamin-e-supplements/>
  a schema:MedicalTherapy ;
  onco:kind "technology" ;
  schema:identifier "vitamin-e-supplements" ;
  schema:name "Vitamin E supplements"@en ;
  schema:alternateName "Alpha-tocopherol"@en, "d-alpha-tocopherol"@en ;
  schema:description "Vitamin E supplements were tested to prevent prostate cancer in a very large trial and, after seven years, the men taking them had more prostate cancer, not less. High doses can also increase bleeding in people on the blood thinner warfarin. Small studies of vitamin E for hot flushes, nerve damage and radiotherapy skin reactions are too small to rely on."@en ;
  schema:url <https://onco.cc/technologies/vitamin-e-supplements/> ;
  schema:dateModified "2026-11-04"^^xsd:date ;
  schema:citation <https://www.mskcc.org/cancer-care/integrative-medicine/herbs/vitamin-e>, <https://www.mskcc.org/cancer-care/integrative-medicine/herbs/beta-carotene> ;
  onco:status "negative" ;
  onco:tag "complementary", "supportive-care", "evidence:harm" ;
  onco:related <https://onco.cc/technologies/beta-carotene-supplements/>, <https://onco.cc/technologies/vitamin-a-supplements/> ;
  onco:cancers <https://onco.cc/cancers/prostate/> ;
  onco:sections <https://onco.cc/fronts/supportive-care/>, <https://onco.cc/fronts/nutrition-lifestyle/>, <https://onco.cc/fronts/prevention/> ;
  onco:technologies <https://onco.cc/technologies/integrative-oncology/>, <https://onco.cc/technologies/dietary-supplements-treatment-interactions/>, <https://onco.cc/technologies/cipn-recovery-and-treatment/> ;
  onco:drugs <https://onco.cc/drugs/cisplatin/> ;
  onco:terms <https://onco.cc/terms/peripheral-neuropathy/>, <https://onco.cc/terms/radiation-dermatitis/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-misinformation/>, <https://onco.cc/bottlenecks/b-toxicity-qol/> .