Fish oil supplements may not help the heart

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

(CNN) – It’s one of the most popular dietary supplements in the country: fish oil. But evidence out today shows it may not be helping our hearts at all.

Doctors have long touted the Omega-3 fatty acids found in fish like sardines and salmon as a way to prevent heart attacks and heart disease. That prompted millions of Americans to invest in a daily routine of fish oil supplements.

But the study, dating back to 1989 and involving nearly 70-thousand people, found they did not appear to improve heart health. The study by Greek researchers is published in the Journal of the American Medical Association.