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 ...
Hosted on MSN11mon
Low Vitamin D Symptoms: How to Spot a Vitamin D DeficiencyAfter age 70, the RDA increases to 800 IU or 20 mcg per day. Other experts suggest we need even more vitamin D. For example, the Endocrine Society recommends up to 1,500 to 2,000 IU of vitamin D daily ...
Learn about the best time of day and way to take vitamin D and if you should consider a supplementing with this nutrient.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback