Vitamin d deficiency in infants

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Vitamin D Deficiency in Infants: Causes, Consequences, and Prevention

Prevalence and Risk Factors of Vitamin D Deficiency in Infants

Vitamin D deficiency (VDD) is a significant global health issue affecting a large proportion of infants, particularly those who are exclusively breastfed without supplemental vitamin D Stoica2023Hatun2005Almeida2018. The prevalence of VDD in infants varies based on geographic location, skin pigmentation, and seasonal changes . Infants born to mothers with limited sunlight exposure or those who wear concealing clothing are at higher risk .

Health Implications of Vitamin D Deficiency in Infants

Vitamin D is crucial for bone health and musculoskeletal development. Deficiency in this nutrient can lead to several health issues in infants, including seizures, hypocalcemia, and in severe cases, rickets Hatun2005Elsori2017. Additionally, VDD has been linked to poor fetal growth, low birth weight, and increased risk of infectious diseases Stoica2023Trivedi2020. Emerging research also suggests potential associations with conditions such as asthma, type 1 diabetes, and autism .

Maternal and Infant Vitamin D Supplementation

Maternal Supplementation

Supplementing lactating mothers with high doses of vitamin D has been shown to significantly increase the vitamin D levels in their breastfed infants. Studies indicate that maternal supplementation with 60,000 IU of vitamin D3 daily for 10 days postpartum can effectively raise infant serum 25(OH)D levels and reduce the incidence of vitamin D deficiency and insufficiency Naik2017Choi2013. This approach also appears to mitigate the risk of biochemical rickets in infants .

Infant Supplementation

Direct supplementation of infants with vitamin D is another effective strategy. Administering 400 IU/day of vitamin D3 to exclusively breastfed infants has been shown to increase their serum 25(OH)D levels and reduce the incidence of vitamin D insufficiency Tan2018Mansur2022. However, the evidence on its impact on bone mineral content and the prevention of rickets remains inconclusive Tan2018Mansur2022.

Comparative Effectiveness of Supplementation Strategies

Comparative studies suggest that both maternal and infant vitamin D supplementation can effectively increase infant serum 25(OH)D levels. However, maternal supplementation with higher doses (≥ 4000 IU/day) can achieve similar outcomes as direct infant supplementation with 400 IU/day . Despite these findings, the evidence on the long-term effects on bone health and growth remains limited and warrants further research .

Conclusion

Vitamin D deficiency in infants is a prevalent issue with significant health implications. Both maternal and infant vitamin D supplementation are effective strategies to combat this deficiency, with maternal high-dose supplementation showing promising results. Ensuring adequate vitamin D levels in infants is crucial for their overall health and development, and further research is needed to optimize prevention strategies and understand the long-term benefits.

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Most relevant research papers on this topic

The Impact of Vitamin D Deficiency on Infants’ Health

Vitamin D deficiency negatively impacts infants' health, with prevalence varying based on geographic location, skin pigmentation, and time of year.

Systematic Review

2023·

12citations

·Andreea Bianca Stoica et al.

Nutrients·

DOI

Vitamin D deficiency in early infancy.

Vitamin D deficiency in early infancy is often linked to seizures, low dietary intake, and poor vitamin D reserves in mothers, highlighting the need for supplementation during pregnancy and for exclusively breast-fed infants.

Observational StudyHighly Cited

2005·

159citations

·Ş. Hatun et al.

The Journal of nutrition·

DOI

Oral Supplementation of Parturient Mothers with Vitamin D and Its Effect on 25OHD Status of Exclusively Breastfed Infants at 6 Months of Age: A Double-Blind Randomized Placebo Controlled Trial

Oral supplementation of 60,000 IU of vitamin D3 daily for 10 days in the early postpartum period significantly raises serum 25OHD levels in exclusively breastfed infants at 6 months of age.

RCT

2017·

25citations

·P. Naik et al.

Breastfeeding Medicine·

DOI

Do all infants need vitamin D supplementation?

Healthy infants aged 6 to 24 months have a low prevalence of deficient 25(OH)D serum concentrations and a high prevalence of insufficient ones, but no association was found between these levels, sun exposure, or vitamin D supplementation.

Observational StudyRigorous Journal

2018·

21citations

·A. C. F. Almeida et al.

PLoS ONE·

DOI

Vitamin D deficiency in mothers, neonates and children.

Vitamin D deficiency can lead to severe complications in mothers and neonates, causing rickets, poor fetal growth, and infantile eczema.

Highly Cited

2017·

77citations

·D. Elsori et al.

The Journal of steroid biochemistry and molecular biology·

DOI

Vitamin D supplementation for term breastfed infants to prevent vitamin D deficiency and improve bone health.

Vitamin D supplementation for infants may increase vitamin D levels and reduce the incidence of vitamin D insufficiency, but more research is needed to determine its impact on bone health and rickets risk.

Meta-Analysis

2018·

65citations

·M. L. Tan et al.

The Cochrane database of systematic reviews·

DOI

Effect of Oral Vitamin D3 Supplementation in Exclusively Breastfed Newborns: Prospective, Randomized, Double‐Blind, Placebo‐Controlled Trial

Oral vitamin D3 supplementation at 400 IU/d from 10 days of age in exclusively breastfed infants increased serum 25(OH)D levels at 4 months of age, but did not affect bone mineralization.

RCTVery Rigorous Journal

2022·

15citations

·Chao-Hsu Lin et al.

Journal of Bone and Mineral Research·

DOI

Vitamin D: Before, during and after Pregnancy: Effect on Neonates and Children

Vitamin D deficiency in pregnancy and infants can lead to complications, such as low birth weight, lower bone mass, and potential autoimmune diseases and autism.

Very Rigorous JournalHighly Cited

2022·

145citations

·J. Mansur et al.

Nutrients·

DOI

Oral Vitamin D Supplementation to Mothers During Lactation—Effect of 25(OH)D Concentration on Exclusively Breastfed Infants at 6 Months of Age: A Randomized Double-Blind Placebo-Controlled Trial

Oral vitamin D3 supplementation to lactating mothers significantly raises vitamin D levels in exclusively breastfed infants, reducing the risk of deficiency and insufficiency by 94.6 and 48.1%, respectively, at 6 months of age.

RCT

2020·

15citations

·Maharshi Trivedi et al.

Breastfeeding Medicine·

DOI

Vitamin D deficiency in infants aged 1 to 6 months

Vitamin D deficiency is very common in infants aged 1 to 6 months in South Korea, with breast feeding being the most critical risk factor.

Observational StudyRigorous Journal

2013·

39citations

·Youngmin Choi et al.

Korean Journal of Pediatrics·

DOI

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