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Lack of Effect of Graded Doses of Vitamin D on Bone Metabolism of Breastfed Infants

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Date 2018 Jan 3
PMID 29293697
Citations 3
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Abstract

Objective: A range of doses of supplemental vitamin D has been shown to be effective in preventing rickets in breastfed infants, but the effect of different doses of vitamin D on bone metabolism and mineral content has not been delineated.

Methods: In a randomized trial, breastfed infants received from 2 to 9 months daily supplements of vitamin D in doses of 200 IU/d, 400 IU/d, 600 IU/d or 800 IU/d. Measures of bone metabolism (plasma) were determined periodically and bone mineral content (DXA) was determined at study entry and at the end of winter when infants were 5.5 to 9 months old. The main findings have been reported; here we report findings related to bone metabolism.

Results: There were no consistent meaningful effects of vitamin D dose on markers of bone metabolism. Some markers showed changes with age. Bone mineral content increased with age but showed no effect of vitamin D dose.

Conclusion: Vitamin D in daily doses from 200 IU/d to 800 IU/d had no measurable effect on bone mineral content or bone metabolism of breastfed infants.

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Lin C, Lin C, Sung Y, Li S, Cheng B, Weng S J Bone Miner Res. 2022; 37(4):786-793.

PMID: 35122668 PMC: 9306990. DOI: 10.1002/jbmr.4521.


Effects of oral vitamin D supplementation on linear growth and other health outcomes among children under five years of age.

Huey S, Acharya N, Silver A, Sheni R, Yu E, Pena-Rosas J Cochrane Database Syst Rev. 2020; 12:CD012875.

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

Tan M, Abrams S, Osborn D Cochrane Database Syst Rev. 2020; 12:CD013046.

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