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Abstract
Objective: Choline is an essential nutrient and plays a critical role in brain development, cell signaling, nerve impulse transmission, and lipid transport and metabolism. This analysis aimed to assess usual intakes of choline and compare them with the dietary reference intakes for U.S. residents aged ≥2 years.
Methods: The National Cancer Institute method was used to assess usual intakes of choline from foods according to data for participants in the 2009–2012 National Health and Nutrition Examination Survey (NHANES; n = 16,809).
Results: Suboptimal intakes of choline are prevalent across many life-stage subpopulations in the United States. Only 10.8 ± 0.6% of 2009–2012 NHANES participants aged ≥2 years (15.6 ± 0.8% of males and 6.1 ± 0.6% of females) achieved the adequate intake (AI) for choline. Children aged 2–3 years were the most likely to exceed the AI (62.9 ± 3.1%), followed by children aged 4–8 years (45.4 ± 1.6%) and children aged 9–13 years (9.0 ± 1.0%), compared to adolescents aged 14–18 years (1.8 ± 0.4%) and adults aged ≥19 years (6.6 ± 0.5%). When comparing by age and gender, males consumed significantly more choline than females for all age groups.
Conclusions: These data indicate that there is a need to increase awareness among health professionals and consumers regarding potential suboptimal intakes of choline in the United States, as well as the critical role that choline plays in health maintenance throughout the lifespan. Food scientists and the food and dietary supplement industries should consider working collectively with government agencies to discuss strategies to help offset the percentage of the population that does not meet the AI. Revision of the dietary reference intakes for choline should include replacement of the AI with an estimated average requirement and a recommended dietary allowance, so that more accurate population estimates of inadequate intakes may be calculated.
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