No benefit found
Selenium
selenium pills. Vitamins & minerals.
- Verdict
- No benefit foundIt was tested as a cancer remedy and didn't work.
- How sure
- Rung 4 · StrongAt least one large randomized trial, or very large consistent studies, on this exact question.
The rung shows how sure the science is, not how big the effect is. How to read these ratings
Cancers affected
Prostate
What the evidence shows
In SELECT, a trial of more than 35,000 men, selenium didn't lower prostate cancer risk.
What to do
Don't take selenium to prevent prostate cancer.
Sources
To take it to your doctor, print this page.
Spotted an error? Tell us and we’ll check it against the sources.
Step by step
For the whole picture, from prevention and screening to treatment and life after, see the prostate cancer page.