Vitamin D Supplement Study for Adolescents
- Conditions
- Vitamin D DeficiencyOverweightObesity
- Interventions
- Dietary Supplement: 2000 IU Vitamin D3 daily supplementDietary Supplement: 400 IU Vitamin D3 supplement
- Registration Number
- NCT00909454
- Lead Sponsor
- Augusta University
- Brief Summary
The purpose of this study is to determine if 14-19 year old African American adolescents are able to take a daily vitamin D supplement daily for about 4 months and how well a daily dose of 400 IU or 2000 IU vitamin D supplement raises their vitamin D blood level.
- Detailed Description
To determine the feasibility of African American teenagers taking a daily vitamin D supplement over a 4 month period in terms of compliance and practical implementation.
To determine the differences in response in blood 25-OH D level between those randomly assigned to taking a 400 IU supplement versus 2000 IU per day and to determine if there are differences in blood 25-OH D level response depending on subject gender and overweight/obese versus healthy-weight status.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 45
- Healthy African American Adolescents
- Hypertension
- Pregnancy
- Medications that affect study outcome measures
- Use of other vitamin and/or mineral supplement or herbal supplements
- Individuals of other races
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description Daily 2000 IU vitamin D supplement 2000 IU Vitamin D3 daily supplement - Daily Vitamin D supplement 400 IU 400 IU Vitamin D3 supplement -
- Primary Outcome Measures
Name Time Method Plasma 25-OH D level 3-4 months from baseline to post-testing
- Secondary Outcome Measures
Name Time Method Blood pressure 3-4 months from baseline to post-testing
Trial Locations
- Locations (1)
Georgia Prevention Institute at Medical College of Georgia
🇺🇸Augusta, Georgia, United States