- •Supplementing with at least 200 mg/d of docosahexaenoic acid (DHA) during lactation has been recommended to ensure a sufficient supply of DHA for the infant.
- •This was an exploratory study of red blood cell and breast milk DHA changes in lactating women on a controlled-feeding diet including 200 mg/d of supplemental DHA.
- •On average, red blood cell DHA levels did not change while breast milk DHA levels increased significantly.
- •Red blood cell and breast milk DHA levels above the median at baseline (5% and 0.19%, respectively) did not change while those below the median significantly increased.
- •These results indicate a need for personalizing DHA dosing based on red blood cell or breast milk DHA status during lactation to ensure sufficient DHA for both mother and baby.
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Sources of support: The work presented herein was partially supported by the National Institute of Food and Agriculture U.S. Department of Agriculture, HATCH under accession number 1013729 and through a Cornell Institute of Biotechnology's Center for Advanced Technology (CAT) grant, funded through New York State Division of Science, Technology, and Innovation (NYSTAR). The secondary analysis did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.