Summary of Acceptable Vitamin D Levels
- Open Main WebsiteOnce your 25(OH)D blood serum level is known it is then possible to estimate
the minimum amount of Vitamin D3 supplementation required to raise
your blood levels to a more acceptable level.
Trials have shown that an average adult (taking Vitamin D3 by mouth)
requires at least the following levels of supplementation to raise
their blood levels by the stated amounts:
Daily Vitamin D3 |
Raises blood level |
1000 IU |
10 ng/ml or 25 nMol/L |
2000 IU |
20 ng/ml or 50 nMol/L |
4000 IU |
40 ng/ml or 100 nMol/L |
5000 IU |
50 ng/ml or 125 nMol/L |