Estimating Average Vitamin A Requirements in Indonesian and American Women
Estimating Average Vitamin A Requirements in Indonesian and American Women
NCT ID: NCT04123210 Phase: NA Status: COMPLETED Enrollment: 70 Completion: 2009-05-05
Conditions
Vitamin A Deficiency
Interventions
Vitamin A supplement, Placebo
Summary
Women of reproductive age had their vitamin A stores estimated by retinol isotope dilution and then were given vitamin A supplements near the US vitamin A RDA or placebo for 42(USA) or 60 (Indonesia) days, after which retinol isotope dilution was repeated and the change in vitamin A stores was determined in each group to estimate how much vitamin A is needed to maintain nutrient balance in these women.
Primary Outcome
Total body vitamin A stores (micromoles of vitamin A)