An Evaluation of the Effect of Vitamin D Supplementation on Depressive Symptoms Among Chinese Early Adolescents
An Evaluation of the Effect of Vitamin D Supplementation on Depressive Symptoms Among Chinese Early Adolescents
NCT ID: NCT06247930 Phase: NA Status: COMPLETED Enrollment: 406 Completion: 2025-06-24
Conditions
Depressive Symptoms
Interventions
Vitamin D3, Vitamin D3 placebo, Mental health education
Summary
The goal of this randomized controlled clinical trial is to investigate the effects of vitamin D3 supplementation on depression in Chinese early adolescents with elevated depressive symptoms and vitamin D deficiency. The main question it aims to answer whether vitamin D3 supplementation can reduce depressive symptoms.
Participants in the intervention group will receive vitamin D3 capsules and mental health education. The control group will receive vitamin D3 placebo and mental health education.
Researchers will compare the change in depressive symptoms from baseline to post-intervention at 12 weeks between the intervention and control groups.
Primary Outcome
Change in depressive symptom scores