Vitamin d pills tested for obese Teens' heart health
NCT ID NCT02400151
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at whether giving vitamin D supplements to obese teenagers, along with a healthy diet and exercise program, could improve how well their blood vessels work. 49 teens took either vitamin D or a placebo for 90 days. The main goal was to see changes in blood vessel function, which is important for heart health.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Vitamin D3
What this could lead to
If successful, this could show that adding vitamin D to diet and exercise helps improve blood vessel health in obese teens, pointing toward a simple supplement to reduce heart risks.
What could go wrong
This is a small, completed Phase 4 trial with only 49 participants. Results may not apply to all teens, and vitamin D alone is unlikely to be a major solution for obesity-related problems.
Disclaimer
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the original study
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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.
Contacts and locations
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Locations
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CHRU de Nîmes - Hôpital Universitaire Carémeau
Nîmes, 30029, France
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Institut Saint Pierre
Palavas-les-Flots, 34250, France