Historically, 400 IU ... of vitamin D (5,000 IU for example) before recommending the 25-OH vitamin D test. Health care professionals need to keep in mind that in general, 100 IU (2.5 mcg) of ...
Our tester found the one-a-day tablets easy to swallow and liked that they are free from GMO, gluten and yeast. There are 60 pills in each bottle, giving you a two-month supply. This vitamin D ...