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Article |

Effect of Race and Diet on Human-Milk Vitamin D and 25-Hydroxyvitamin D

Bonny L. Specker, PhD; Reginald C. Tsang, MBBS; Bruce W. Hollis, PhD
Am J Dis Child. 1985;139(11):1134-1137. doi:10.1001/archpedi.1985.02140130072032.
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• Vitamin D—deficiency rickets continues to be reported in infants fed human milk, and the importance of human milk as a source of vitamin D for infants is controversial. Furthermore, effects of race and of normally consumed maternal vitamin D intake on human-milk vitamin D have not been reported. Milk, serum, and three-day-diet diaries were obtained from 25 mother-infant pairs. Human-milk vitamins D3 and D2 and 25-hydroxyvitamin D3 were lower in blacks vs whites, whereas 25-hydroxyvitamin D2 did not differ. Total-milk vitamin D, but not 25-hydroxyvitamin D, correlated with vitamin D intake. Milk vitamin D2 specifically was correlated with vitamin D intake even after controlling for race. Infant serum 25-hydroxyvitamin D did not correlate with milk vitamin D or 25-hydroxyvitamin D; we speculate that the contribution of vitamin D from human milk in these infants is insignificant relative to the contribution from sunshine exposure.

(AJDC 1985;139:1134-1137)

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