Tests vitamin D3 in overweight teens with heart and metabolic risk
Tests vitamin D3 against a placebo in overweight adolescents with low vitamin D.
Plain-language title generated from the registry record
Registry title: Effect of Vitamin D on Cardiovascular Metabolic Risk in Overweight/Obesity Adolescents in China
Key facts
- Where
- Anqing and Hefei, ChinaSee the 2 sites
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 10 and 16 years old?
Source: NCT07053657, who can take part
Where in China
- Anhui Medical UniversityAnqing, ChinaTaking people
- Anhui Medical UniversityHefei, ChinaTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Trial details
- Who runs it
- Anhui Medical University
- Trial code
- NCT07053657
- Record updated
- 17 November 2025
- Original description
The goal of this randomized controlled clinical trial is to investigate the effects of vitamin D3 supplementation on cardiometabolic risk in Chinese adolescents with overweight/obesity and vitamin D deficiency. The main question it aims to answer whether vitamin D3 supplementation can improve cardiovascular metabolic health.Read full original descriptionShow less
The Improvement Effect of Vitamin D on the Cardiovascular Health of Overweight/Obesity Adolescents in China
The goal of this randomized controlled clinical trial is to investigate the effects of vitamin D3 supplementation on cardiometabolic risk in Chinese adolescents with overweight/obesity and vitamin D deficiency. The main question it aims to answer whether vitamin D3 supplementation can improve cardiovascular metabolic health.
Participants in the intervention group will receive vitamin D3. The control group will receive vitamin D placebo.
Researchers will compare the change in cardiometabolic risk from baseline to post-intervention at 12 weeks between the intervention and control groups.
Inclusion: Students whose caregivers signed informed consents; Students with serum 25(OH)D concentration of 12-20 ng/mL; Students with overweight or obesity.
Exclusion: Students with any disease that affects vitamin D metabolism (e.g., functional/organic brain disease, severe infectious disease, chronic gastrointestinal disease, hepatic or renal insufficiency, etc.); Students with known chronic disease (e.g., cardiovascular disease); use of vitamin D supplements in the past 3 months; Students with allergies to vitamin D or soybean oil ingredients.