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United States Department of Agriculture

Agricultural Research Service

 Allen Research Studies

Current research projects include:


·            Metabolomic and functional effects of vitamin B12 status and supplementation

·            Development and validation of cB12, a new combined indicator of vitamin B12 status

·            Longitudinal changes in B vitamin status in elderly Latino Hispanics, and associations with cognitive function

·            Effects of lipid-based nutrient supplements on micronutrient status (multiple studies)

·            Assessment of multiple micronutrients in human milk and response to supplementation (multiple studies)

·            Development of Reference Values for micronutrients in human milk

·            Vitamin B12 supplementation of deficient Chilean elderly with high folic acid intakes

·            Animal source food supplementation of HIV+ women in Kenya



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Last Modified: 8/17/2015