|
Most people are deficient in vitamin D3. You can supplement with 2000, 5000, or 10,000 IU of vitamin D3 but that may not be enough. The only way to tell if your blood has an adequate amount of D3 is to have a blood test for D3 and have your doctor examine the results.
Added:
1577 days ago by
rss41
Runtime: 8m30s | Views: 783 |
Comments: 1
Not yet rated |
