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Do breastfed infants need supplemental vitamins?

¹Departments of Pediatrics and Nutritional Sciences, University of Wisconsin, Madison, Wisconsin, USA. frgreer@facstaff.wisc.edu

Pediatric Clinics of North America

|May 8, 2001

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Human milk may not provide adequate vitamin D and K for infants. Supplementation is rarely needed for healthy, breastfed babies of well-nourished mothers, except for vitamin K at birth and vitamin D in specific cases.

Area of Science:

Pediatrics
Human Nutrition
Infant Health

Background:

Human milk is the primary nutrition source for infants.
Nutrient adequacy from human milk is crucial for infant development.
Established nutritional requirements, like the Recommended Dietary Allowance (RDA), guide infant feeding.

Purpose of the Study:

To evaluate the vitamin content of human milk in relation to infant nutritional needs.
To identify potential vitamin deficiencies in exclusively breastfed infants.
To inform recommendations on vitamin supplementation for breastfeeding infants.

Main Methods:

Analysis of vitamin levels in human milk samples (data from Table 2).
Comparison of human milk vitamin content against Dietary Reference Intakes (DRI) and Recommended Dietary Allowances (RDA).

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Review of factors influencing vitamin levels, such as maternal nutrition and infant characteristics.

Main Results:

Human milk does not meet the DRI for all vitamins in exclusively breastfed infants.
Vitamin D intake shows a significant discrepancy with RDA, though sunlight synthesis is a factor.
Vitamin K supplementation is essential in the newborn period; other deficiencies are rare with adequate maternal nutrition.

Conclusions:

Vitamin deficiencies are uncommon in healthy, breastfed infants of well-nourished mothers.
Routine vitamin supplementation is generally not required.
Specific supplementation needs exist for Vitamin K at birth and Vitamin D for infants with dark skin or insufficient sun exposure.