Dietary Reference Intake Vitamin A

And renders authoritative judgments on the relationships among food intake nutrition and health.

Dietary reference intake vitamin a. The dris represent the most current scientific knowledge on nutrient needs of healthy populations. Draft proposals for vitamin e phosphorus and vitamin b12 will be open for public consultation over the coming weeks. Vitamin a vitamin k arsenic boron chromium copper iodine iron manganese molybdenum nickel silicon vanadium and zinc.

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. There are a variety of foods rich in vitamin a and provitamin a carotenoids that are available to north americans. The panel on dietetic products nutrition and allergies nda set daily population reference intakes pris for vitamin a of.

Please note that individual requirements may be higher or lower than the dris. Thus current dietary patterns appear to provide sufficient vitamin a to prevent deficiency symptoms such as night blindness. This volume is the newest release in the authoritative series issued by the national academy of sciences on dietary reference intakes dris.

Vitamin a is important for normal vision gene expression reproduction embryonic development growth and immune function. Following a request from the european commission the panel on dietetic products nutrition and allergies derived dietary reference values for vitamin a. It comes in a number of forms as retinol retinal retinoic acid or retinyl ester.

Background vitamin a is a fat soluble vitamin which helps maintain normal reproduction vision and immune function. Intake recommendations for vitamin a and other nutrients are provided in the dietary reference intakes dris developed by the food and nutrition board fnb at the institute of medicine of the national academies formerly national academy of sciences. The dietary reference intakes dris are developed and published by the institute of medicine iom.

750 μg for men and 650 μg for. The panel considered that a concentration of 20 µg retinol g liver can be used as a target for establishing the average requirement ar for vitamin a. 120 dietary reference intakes table 4 6 vitamin a intake from a vegan diet high in carotene rich fruits and vegetables î carotene retinol vitamin a equivalents intake intake meal foods eaten intakea âµg âµg âµg rae b breakfast bagel 1 medium 0 0 0 peanut butter 2 t 1 0 0 canned pineapple juice pack 1 2 cup 40 0 3 orange.