Vitamin D levels in Zhejiang province
Part of Hormones & metabolism clinical trials.
This study looks at vitamin D levels in people in Zhejiang province, China. It aims to understand what factors affect vitamin D levels.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You have had a blood test for vitamin D (25(OH)D) at a participating hospital in Zhejiang.
- You are willing to sign an electronic consent form using a mobile app.
- You can fill out a questionnaire, either by yourself or with help from a family member.
- You do not take medications that affect vitamin D (like certain seizure drugs or steroids).
- You do not have a weakened immune system or have had an organ transplant.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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