Can vitamin d help control diabetes? new trial tests high doses
NCT ID NCT07321223
First seen Jan 07, 2026 · Last updated Jun 23, 2026 · Updated 21 times
Summary
This study compares two different doses of vitamin D supplements in 108 adults with type 2 diabetes who also have low vitamin D levels. Researchers will measure changes in blood sugar and HbA1c over time to see if higher doses improve diabetes control. Participants must be aged 40-70 and taking only metformin.
Disclaimer
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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.
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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Contacts and locations
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Locations
-
PAF Hospital
Islamabad, Pakistan
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Vitamin D
What this could lead to
If it works, this could show that correcting vitamin D deficiency helps control blood sugar in type 2 diabetes.
What could go wrong
This is a small, early-stage trial with no placebo group, so results may not be conclusive. Vitamin D is generally safe, but high doses can cause side effects.
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.