Vitamin D in cutting cancer and heart-disease risk: does it live up to the hype?
Cancer cardiovascular disease Vitamin D

Vitamin D in cutting cancer and heart-disease risk: does it live up to the hype?

Flávia Oliveira Geraldes
Flávia Oliveira Geraldes

In 10 seconds? A recent, large-scale clinical study suggests vitamin D supplementation does not reduce the risk of cancer or heart disease in people who already have sufficient levels of the micronutrient.

What’s with all the buzz around vitamin D? It’s an old favorite of medical researchers. In the early 1920s, vitamin D was discovered to prevent rickets (a disease that results in deficient bone development in children), and since then, researchers have looked at the association between it and everything from diabetes to cancer. Most recently, with the COVID-19 pandemic, there was a boom of publications reporting that lower vitamin D levels were associated with a higher risk and worse outcomes of infection. However, the data are highly mixed, with other publications concluding that vitamin D does not affect health outcomes related to COVID-19.

Get unlimited access to our 3-min Digests and other premium features!

Choose your plan.

Sparrow Insiders

$0 (Limited Offer)
  • Receive our daily Digest in your inbox
  • Created & reviewed by real scientists
  • Preview 380+ Digests in our library
  • Upgrade for unlimited learning
  • Unsubscribe anytime
  • Subject to availability
Join our first 25k subscribers for free! Signup Progress Bar Subscribe now for free

Sparrow Unlimited

$19 / month
  • Talk with our scientists and ask them anything
  • Access 380+ summaries anywhere, anytime
  • Listen to our premium podcast
  • Weekly newsletter of the top 5 scientific findings
  • Daily updates with new content
  • Support independent science publishing
  • No advertisement
  • Cancel anytime
Learn more Subscribe now

Sparrow Unlimited

$99 / year
  • One easy payment - save 56%
  • Talk with our scientists and ask them anything
  • Access 380+ summaries anywhere, anytime
  • Listen to our premium podcast
  • Weekly newsletter of the top 5 scientific findings
  • Daily updates with new content
  • Support independent science publishing
  • No advertisement
  • Cancel anytime
Learn more Subscribe now