Dietary Reference Intakes For Vitamin A Vitamin K

Because of the lack of data to estimate an average requirement an adequate intake ai is set based on representative dietary intake data from healthy individuals.

Dietary reference intakes for vitamin a vitamin k. It represents recommended dietary allowances rdas in bold type adequate intakes ais in ordinary type followed by an asterisk and tolerable upper intake levels uls a. This series provides recommended intakes such as recommended dietary allowances rdas for use in planning nutritionally adequate diets for individuals based on age and gender. Dietary reference intakes for vitamin a vitamin k arsenic boron chromium copper iodine iron this content is over 10 years old and may not be as up to date as our newer site content. This volume is the newest release in the authoritative series issued by the national academy of sciences on dietary reference intakes dris.

Rdas and ais may both be used as goals for individual intake. Table 1 dietary reference intakes for vitamin k by life stage group dri values mg day aia ulb males females life stage group 0 through 6 mo 2 0 2 0 7 through 12 mo 2 5 2 5 1 through 3 y 30 30 4 through 8 y 55 55 9 through 13 y 60 60 14 through 18 y 75 75 19 through 30 y 120 90 31 through 50 y 120 90 51 through 70 y 120 90 70 y 120 90. The panel considers that average requirements and population reference intakes for vitamin k cannot be derived for adults infants and children and therefore sets adequate intakes ais. Vitamin k functions as a coenzyme during the synthesis of the biologically active form of a number of proteins involved in blood coagulation and bone metabolism.

Vitamin a vitamin k arsenic boron chromium copper iodine iron manganese molybdenum nickel silicon vanadium and zinc. This volume is the newest release in the authoritative series issued by the national academy of sciences on dietary reference intakes dris. The panel considers that available evidence on occurrence absorption function and content in the body or organs of menaquinones is insufficient and. The table is adapted from the dri reports see www nap edu.

In addition a new reference intake the tolerable upper intake level ul. 10 dietary reference intakes table s 2 criteria and dietary reference intake values for vitamin k by life stage group ai âµg d life stage group criterion male 0 through 6 mo average vitamin k intake from human milk 2 0 7 through 12 mo extrapolation from 0 through 6 mo ai 2 5 1 through 3 y median intake of vitamin k from the third.