Comparison of the bioavailability of vitamin D2 and D3
Not Applicable
Completed
- Conditions
- Vitamin D supplementationNutritional, Metabolic, EndocrineVitamin D deficiency
- Registration Number
- ISRCTN24666304
- Lead Sponsor
- GlaxoSmithKline (UK)
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 40
Inclusion Criteria
1. Healthy males or females
2. Ages of 18 - 65 years
Exclusion Criteria
1. Seated blood pressure >160/105 mm Hg
2. Body Mass Index <18.5 and >35 kg/m2
3. Taking vitamin and mineral supplements (including cod-liver oil), or prescription calcium/vitamin D
4. Recent exposure to high UVB light (since 1 December 2010)
5. Intolerance to study product (lactose, milk protein)
6. Chronic renal, liver or inflammatory bowel disease
7. Diabetes
8. Unwilling to follow the protocol and/or give informed consent
9. Unwilling to restrict consumption of oily fish to no more than 2 portions of oily fish per week
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Change in serum 25(OH)D concentrations
- Secondary Outcome Measures
Name Time Method Change in calcium and parathyroid hormone concentrations