Vitamin d supplements tested for heart risk in overweight teens

NCT ID NCT07053657

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study tests whether vitamin D3 supplements can improve heart health in Chinese teenagers who are overweight or obese and have low vitamin D levels. 130 participants will receive either vitamin D3 or a placebo for 12 weeks. Researchers will measure changes in blood pressure, cholesterol, blood sugar, and waist size to see if vitamin D helps lower their risk for heart disease.

What this could mean

Our plain-language read of the trial. This is informational only โ€” not medical advice or a prediction.

Active substance
Vitamin D3
What this could lead to
If it works, this could show that vitamin D supplements help reduce heart disease risk in overweight teens with low vitamin D levels.
What could go wrong
This is a small, early-stage trial with only 130 participants. The effect may be small or not last long, and results may not apply to other groups.

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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

Locations

  • Anhui Medical University

    RECRUITING

    Anqing, Anhui, China

  • Anhui Medical University

    RECRUITING

    Hefei, Anhui, China

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