# OnCo record vitamin-d-omega3-supplementation (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 owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/technologies/vitamin-d-omega3-supplementation/>
  a schema:MedicalTherapy ;
  onco:kind "technology" ;
  schema:identifier "vitamin-d-omega3-supplementation" ;
  schema:name "Vitamin D and omega-3 supplementation"@en ;
  schema:description "The largest trial of vitamin D and fish-oil pills found they did not prevent cancer. A possible reduction in cancer deaths, and hints of benefit after a digestive cancer diagnosis, keep the question alive."@en ;
  schema:url <https://onco.cc/technologies/vitamin-d-omega3-supplementation/> ;
  schema:dateModified "2026-09-08"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Vitamin_D> ;
  owl:sameAs <http://www.wikidata.org/entity/Q175621> ;
  schema:citation <https://doi.org/10.1056/NEJMoa1809944>, <https://doi.org/10.1001/jama.2019.2402> ;
  onco:status "phase-3" ;
  onco:related <https://onco.cc/ideas/idea-reg-vitamin-d-digestive-cancer-biomarker-trial/> ;
  onco:cancers <https://onco.cc/cancers/colorectal/>, <https://onco.cc/cancers/gastric/>, <https://onco.cc/cancers/esophageal/>, <https://onco.cc/cancers/breast-hr-positive/>, <https://onco.cc/cancers/prostate/> ;
  onco:sections <https://onco.cc/fronts/nutrition-lifestyle/>, <https://onco.cc/fronts/prevention/> ;
  onco:technologies <https://onco.cc/technologies/chemoprevention/> ;
  onco:drugs <https://onco.cc/drugs/folfox/>, <https://onco.cc/drugs/bevacizumab/> ;
  onco:terms <https://onco.cc/terms/unproven-diet-claims/> ;
  onco:trials <https://onco.cc/trials/vital/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-negative-results/>, <https://onco.cc/bottlenecks/b-misinformation/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-manson-n-engl-j-med/>, <https://onco.cc/key-papers/paper-ng-jama/> .