How much vitamin ... to 6000 IU/day are needed (Hollis, 2007). The recommendations of the Institute of Medicine fall short of the values advanced by these proponents, but do advise higher daily ...

Vitamin D also lowers the risk of intrauterine mortality, preterm birth, and neonatal mortality. The dosages used in the studies examined ranged from 600–5,000 IU daily, with an average of 2,500 IU.

This lunchtime staple can also pack a vitamin D punch. While not as high as salmon or swordfish, fresh yellowfin tuna still contains 82 IU of vitamin D per 100-gram serving, according to the USDA.

Thus exposure of arms (18% body surface) to sunlight between 11 a.m. and 2 p.m. for an amount of time to cause an MED would be equivalent to ingesting about 3600 IU vitamin D. Since the vitamin D ...

A recent study suggests that taking a vitamin D supplement could lower your risk for dementia as you age, especially for women. Here's what a doctor says.

But this isn't the whole story—our food choices aren't pulling their weight either, thanks in part to a limited list of foods that actually provide vitamin D in significant quantities.

the guideline advises against routine vitamin D testing or supplementation. Instead, it recommends following the U.S. National Academy of Medicine's daily intake guidelines: 600 IU until age 70 ...

Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...

The researchers broke the groups down into people who took a vitamin D supplement and those ... Rated at 4.7 stars by over 6,000 happy customers on Amazon, this daily vitamin is a tried-and ...