increase of vitamin d by 200 iu/day recomended, maximum safe daily dose: 4,000 iu. karen
from: scientific american
november 30, 2010
by katherine harmon
recommended daily vitamin d intake gets a boost
most people get enough calcium and the "sunshine vitamin," and an expert panel cautions against taking too much of the nutrients....
...the new assessment recommends a daily vitamin d dietary allowance of 600 milligrams for most healthy people 9 years and older (with an estimated average requirement of 400 international units per day--and no more than 4,000 iu of vitamin d per day). people 71 years and older should take 800 mg of the vitamin per day, according to the report. (children aged 4 to 8 years should not have more than 3,000 iu/day and those aged 1 to 3 years should not have more than 2,500 iu/day.)...