Heart rhythm breakdown? study tests everyday supplements for prevention

NCT ID NCT02178410

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether taking daily vitamin D or fish oil supplements can lower the risk of developing atrial fibrillation (an irregular heartbeat) in healthy adults. Over 25,000 men and women without prior heart disease or stroke took part. Researchers are tracking who develops atrial fibrillation to see if these supplements offer protection.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Brigham and Women's Hospital

    Boston, Massachusetts, 02215, United States

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