> A low intake of selenium is associated with increased cardiovascular mortality. This could be reduced by supplementation with selenium and coenzyme Q10.
What's unclear about the phrasing in this quote is... does "low intake" mean people who don't get enough selenium, thus their intake is low, or, does it mean that supplementing with low doses of selenium.
https://pubmed.ncbi.nlm.nih.gov/33920725/