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 ...
While it’s suitable for women of all ages, we like this multivitamin for women over 30 because it contains 9 mg of iron, which is 50% of the ... appreciated the 25 mcg of vitamin D, since ...