Thursday, October 7, 2010

Recommended Dietary vitamin A per day

Health experts recommend eating the amounts of vitamin A include:

* Children (under 3): 300 micrograms (mcg) per day
* Children (4-8 years): 400 mcg per day
* Children (9-13 years): 600 mcg per day
* Teens and adults (over 14): 900 mcg per day
* Pregnant women (under 18): 750 mcg per day
* Pregnant women (over 18): 770 mcg per day
* Women who are breastfeeding (under 18): 1200 mcg per day
* Women who are breastfeeding (over 18): 1300 mcg per day.

Due to risks of toxicity (see the "Toxicity"), doctors have also defined a threshold level of tolerance to daily supplementation with vitamin A by a healthy population. Here the maximum amount per day you can get vitamin A:

* Children (under 3): 600 micrograms (mcg) per day
* Children (4-8 years): 900 mcg per day
* Children (9-13 years): 1 700 mcg per day
* Teens (14 to 18): 2800 mcg per day
* Adults (19 years and older): 3,000 mcg per day
* Women who are pregnant or lactating (under 18): 2800 mcg per day
* Women who are pregnant or breastfeeding (over 18): 3000 mcg per day.

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