Following up on the VITAL program for vitamin D and omega-3s

The VITamin D and OmegA-3 TriaL (VITAL): Post-Intervention Follow-Up

NIH-funded research Brigham and Women's Hospital · NIH-11126623

This project is continuing to observe the long-term health of over 25,000 adults who previously took vitamin D and omega-3 supplements to see how these might affect their risk of cancer and heart disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBrigham and Women's Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11126623 on NIH RePORTER

What this research studies

The original VITAL program gave vitamin D and omega-3s to men over 50 and women over 55 to see if these supplements could prevent cancer and heart disease. While the initial results showed some promising signs, especially for certain groups like African Americans, researchers want to look at health outcomes for a longer time. This extended follow-up will help us understand the long-term effects of these supplements, as some benefits might take many years to appear. We hope to learn more about how vitamin D and omega-3s might protect against serious health conditions over time.

Who could benefit from this research

Good fit: This follow-up is for the original 25,871 participants of the VITAL program, including men aged 50 and older and women aged 55 and older, with a significant representation of African Americans.

Not a fit: Individuals who were not part of the original VITAL program would not directly benefit from this specific follow-up, as it focuses on existing participants.

Why it matters

Potential benefit: This extended follow-up could provide clearer insights into the long-term effects of vitamin D and omega-3 supplements on preventing cancer and heart disease, potentially guiding future health recommendations.

How similar studies have performed: The initial VITAL program showed promising signals for reduced cancer mortality and significant reductions in heart attack and other coronary events in specific subgroups, suggesting potential benefits for this approach.

Where this research is happening

Boston, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.