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Factors Affecting Vitamin D Status in Infants
Charles Fink1,2, Rachel L Peters3, Jennifer J Koplin4,5
1Monash University, Faculty of Medicine, Nursing and Health Sciences; Wellington Road, Clayton, VIC 3800, Australia. cnfin2@student.monash.edu.
Children (Basel, Switzerland)
|January 11, 2019
Summary
Understanding infant vitamin D status is crucial for skeletal health. Factors like diet, UV exposure, and supplementation influence levels, but genetic and ethnic influences require further research.
Area of Science:
- Pediatrics
- Nutritional Science
- Public Health
Background:
- Vitamin D is essential for infant skeletal development and overall health.
- Current understanding of factors influencing vitamin D levels in infants is incomplete.
- Identifying these factors is critical for preventing deficiency and ensuring optimal growth.
Purpose of the Study:
- To review existing literature on factors affecting vitamin D status in infants.
- To assess the impact of antenatal and postnatal vitamin D supplementation.
- To identify knowledge gaps regarding optimal vitamin D concentrations in infants.
Main Methods:
- Literature review of observational studies and randomized controlled trials.
- Analysis of factors including dietary intake, UV exposure, geographic location, ethnicity, and maternal vitamin D status.
- Evaluation of different infant vitamin D supplementation dosages.
Main Results:
- Dietary intake, UV exposure, and geographic factors significantly impact infant vitamin D status.
- The influence of genetic variation, ethnicity, and maternal vitamin D status remains unclear.
- While studies compare supplementation doses, none have used a placebo to isolate the effect of infant supplementation.
Conclusions:
- Further research is needed to elucidate the roles of ethnicity and genetic variation in infant vitamin D status.
- Knowledge gaps persist regarding the determinants of optimal vitamin D levels in infants.
- Comprehensive studies are required to fully understand and optimize infant vitamin D status.
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