Link below about testing and taking morning meds. Link states Blood Tests1 If you take thyroid supplement medication on the day of your blood test, you should wait until after the blood has been drawn so as to avoid any test interference.Once the blood has been drawn, you may take that dayâs dose and return to your regular dosing schedule..ink below about testing and taking morning meds. Link states Blood Tests1 If you take thyroid supplement medication on the day of your blood test, you should wait until after the blood has been drawn so as to avoid any test interference.
For heart disease, 200-2,000 IU or 10-25 micrograms of vitamin D2 or D3 has been taken by mouth daily for 1.4-84 months, with or without calcium. A dose of 100,000 IU of vitamin D2 or D3 has been taken by mouth three times yearly for up to three years.
The most important factor is your vitamin D serum level, which should ideally be between 50-70 ng/ml. When taking an oral vitamin D supplement, you should take enough to reach and maintain this therapeutic level. As a generic guideline, adults need to take about 8,000 IUâs a day to reach this level.