Dietary Reference Intakes Vitamin B12 Cobalamin Table

Usda ars research roundup.

Dietary reference intakes vitamin b12 cobalamin table. Dietary reference intake reports. In dietary reference intakes. Usda food surveys research group. Cobalamin vitamin b12 adequate intake dietary reference value 1 on request from the european commission question no efsa q 2011 01227 adopted on 11 june 2015.

Findings from intervention trials support these conclusions. The reference values for the intake of vitamin b 12 for infants aged 0 to under 4 months were derived based on the vitamin b 12 content of breast milk which is considered to be the optimal diet for infants. Dietary reference values for cobalamin vitamin b12 absorption of 40 section 2 3 1. Government global nutrition coordination plan 2016 2021.

The panel sets an ai for cobalamin for pregnant women of 4 5 μg day. 28 cobalamin vitamin b12 adequate intake dietary reference value 29 1 on request from the european commission question no efsa q 2011 01227 endorsed for public consultation on 5 february 2015. 51 52 the cobalamin content of breast milk varies depending on the duration of breastfeeding 53 and maternal vitamin b 12 supply. Ascorbic acid vitamin c calcium.

The recommended dietary allowance rda for vitamin b12 is based on the amount needed for the maintenance of hematological status and normal serum vitamin b12 values. Cobalamin vitamin b12 folic acid folate. Vitamin b12 cobalamin functions as a coenzyme for a critical methyl transfer reaction that converts homocysteine to methionine and for a separate reaction that converts l methylmalonyl coenzyme a coa to succinyl coa. Carlo agostoni roberto berni canani susan fairweather tait marina heinonen hannu korhonen.

Also included is a summary table of dietary reference intakes an updated practical summary of the. There is consistent evidence in adults that a cobalamin intake of 4 μg day and greater is associated with serum concentrations of holotc and cobalamin within the reference ranges derived from healthy subjects together with mma and thcy concentrations below the cut off values for adults which indicates an adequate cobalamin status. Dietary reference values for cobalamin vitamin b12 based on the assumption that breast milk contains sufficient cobalamin for optimum health who fao 2004 estimated an ar of between 0 3 and 0.