Please make appropriate changes as needed. NOAA Weather Radio (NWR) broadcasts NWS warnings, watches, forecasts and other hazard information 24 hours a day. NWR is the prime alerting and critical information delivery system of the NWS.
Intake Recommendations. Most women need 2,333 International Units, or 700 micrograms, of vitamin A each day, while men need 3,000 IU or 900 micrograms, according to the Linus Pauling Institute. Because vitamin A plays such an important role in a developing babyâs development, pregnant and breastfeeding mothers need more vitamin A -- 2,567 IU and 4,333 IU, respectively.
The safe upper limit for vitamin D is 1,000 to 1,500 international units (IU) per day for infants. For children aged one to eight years, the safe upper limit is 2,500 to 3,000 IU/day, and 4,000 IU/day for children nine years and older, adults and pregnant and lactating teens and women.Excessive sun exposure will not cause vitamin D poisoning because the body limits the amount of this vitamin it produces.ome experts suggest that men and women over fifty take 800 IU of vitamin D year-round. Check with your VA doctor to see how much vitamin D you need. The usual recommended dietary allowance (RDA) for vitamin D is 400 IU.