Vitamin d and fish oil pills put to the test for bone health

NCT ID NCT01747447

First seen Feb 10, 2026 · Last updated May 15, 2026 · Updated 11 times

Summary

This study looked at whether taking daily vitamin D and fish oil supplements can improve bone density and structure in healthy adults. Researchers measured bone changes in 771 participants over time using scans and blood tests. The goal was to see if these common supplements help prevent bone loss, but no direct treatment was given—only observation and comparison to placebo.

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Contacts and locations

Locations

  • Brigham and Women's Hospital

    Boston, Massachusetts, 02115, United States

Conditions

Explore the condition pages connected to this study.