800 IU (20 mcg) per day increases vitamin D blood levels 8 ng/ml (20 nmol/L). 1000 IU (25 mcg) per day increases vitamin D blood levels 10 ng/ml (25 nmol/L). 2000 IU (50 mcg) per day increases ...
It’s a fat-soluble substance that’s in a family of compounds that includes D1, D2, and D3. While the human ... milk typically has around 3 mcg (120 IU) of vitamin D, and non-dairy ...
Vitamin D3 supplementation was associated with antihypertensive effects without significant between-dose differences among overweight older adults.
A 21-year-old man or women exposed to summer UVB light generates 10,000 IU (the equivalent of 250 mcg, 25 multivitamin pills of vitamin D, or 100 glasses of milk) of vitamin D in 15 to 20 minutes.