1000 IU (25 mcg) per day increases vitamin D blood levels 10 ng/ml (25 nmol/L). 2000 IU (50 mcg) per day increases vitamin D blood levels 20 ng/ml (50 nmol/L). If the vitamin D blood test was 30 ...

“Normal strength vitamin D should be sufficient for most of the population,” she says. “Do not take more than 100mcg a day.” ...

recommends it as one of the best vitamin D supplements. Not to mention, it’s relatively affordable. One tablet has 2,000 IU of vitamin D3, and while recommendations vary on how much vitamin D is ...

2009) used epidemiologic data to argue for increasing the average serum levels of vitamin D to 40-60 ng/ml (100-150 nM), a level that they suggest could be achieved by an intake of 2000 IU/day (50 ...

The recommended daily allowance of vitamin D for all adults is 15 micrograms (mcg) or 600 international units (IU), according to the NIH. Meanwhile, the Endocrine Society recommends 1,500 to 2,000 ...

Experts reveal everything you need to know about vitamin D, from how likely you are to be deficient, to which supplements to buy and how much is enough ...

Vitamin D is an essential nutrient needed to regulate ... This is far over the NHS recommendation of 400 IU to 2,000 IU a day. The study, of 2,892 people, found an “increased risk of falls ...

A recent study published in the American Journal of Preventive Cardiology found that higher vitamin D doses do not ... 1000, 2,000, or 4,000 international units (IU) per day of vitamin D3 ...