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.
For children ages 1 to 3, 6 mg of vitamin B3 a day is the recommendation; from ages 4 to 8, about 8 mg per day; and from age 9 to 13, about 12 mg a day. At the age of 14, the vitamin B3 daily dosage should be about 16 mg per day for boys, and 14 mg a day for girls.