Massive study tests everyday supplements against autoimmune disease and aching knees
NCT ID NCT01351805
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This large study looked at whether taking daily vitamin D or fish oil supplements could lower the risk of developing autoimmune diseases (like rheumatoid arthritis), reduce signs of inflammation in the blood, and ease chronic knee pain. Over 25,000 adults without prior cancer or heart disease took part. Researchers measured inflammation markers and tracked new autoimmune cases and knee pain severity over time.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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.
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Locations
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Brigham and Women's Hospital
Boston, Massachusetts, 02115, United States