178
Participants
Start Date
January 13, 2017
Primary Completion Date
September 13, 2017
Study Completion Date
October 30, 2017
High Vitamin A intake
Total Vitamin A stores will be assessed by isotopic measurement, 13C-Retinol will be given to the subject and blood wil be drawn on Day 4 to assess the isotopic dilution in the plasma. Other biochemical indicators will be assessed too, along with Dietary assessment (Food Frequency, 24 hours recalls).
Normal Vitamin A intake
Total Vitamin A stores will be assessed by isotopic measurement, 13C-Retinol will be given to the subject and blood wil be drawn on Day 4 to assess the isotopic dilution in the plasma. Other biochemical indicators will be assessed too, along with Dietary assessment (Food Frequency, 24 hours recalls).
Mixco, La Comunidad City Hall, Guatemala City
Sacatepequez City Hall, Guatemala City
Santa Catarina Pinula City Hall, Guatemala City
Collaborators (1)
Newcastle University
OTHER
Bill and Melinda Gates Foundation
OTHER
International Atomic Energy Agency
OTHER_GOV
Institute of Nutrition of Central America and Panama
OTHER