Effect of calcium supplementation on iron bioavailability in women aged 35 to 45 years old
Not Applicable
Completed
- Conditions
- Iron bioavailability, iron-calcium interactionNutritional, Metabolic, EndocrineIron deficiency
- Registration Number
- ISRCTN89888123
- Lead Sponsor
- niversity of Chile (Chile)
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Female
- Target Recruitment
- 28
Inclusion Criteria
1. Apparently healthy women
2. Thirty five to 45 years old
3. Not participating in other clinical studies
4. Contraceptive use
Exclusion Criteria
1. Morbidity (excepting anemia defined as hemoglobin < 120 g/L)
2. Daily use of medicaments
3. Pregnancy and pregnant interest (including a pregnancy test before the start of the study)
4. Breastfeeding
5. Iron and/or calcium supplementation
6. Postmenopausal women
7. Participation in previous studies particularly involving the administration of radioactive labeled iron
8. Smoking
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 1. Heme iron bioavailability <br>2. Non heme iron bioavailability
- Secondary Outcome Measures
Name Time Method 1. Iron status<br>1.1. Hemoglobin<br>1.2. Mean corpuscular volume<br>1.3. Zn protoporphyrin<br>1.4. Serum ferritin<br>1.5. Total iron binding capacity<br>1.6. Serum Iron<br>1.7. Hepcidin<br>1.8. Transferrin Receptor<br>1.9. Transferrin Saturation<br>1.10. Total body iron<br>2. Nutritional state by anthropometry<br>3. Dietary calcium and iron daily intake