As for the supplement itself, Mauceri didn’t love the serving size of six capsules ... of high quality vitamin brands available, including Thorne, Nature Made, and Pure Encapsulations.
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 ...