1. Is Vitamin D2 as effective as Vitamin D3? While both can raise vitamin D levels, Vitamin D3 is generally more effective at maintaining long-term levels in the body. 2. Can I get enough Vitamin D2 ...

(Boston) – Boston University School of Medicine researchers (BUSM) have found that 50,000 International Units (IU) of vitamin D2, given weekly for eight weeks, effectively treats vitamin D deficiency.

To take or not to take vitamins, the answer to that question seems to depend on the latest study and who you ask. We are told by many experts to get our vitamins from food rather than mega-doses of ...