Taking high doses of Vitamin D might seem like a good idea, but it can lead to serious health risks. In this video, we explore what happens when you overdo it on this essential vitamin—from calcium buildup in your blood…

Dawn Jackson Blatner, RDN has partnered with NOW for an informative video series to answer your top wellness questions. Today she answers: How does NOW guarantee quality supplements? Including a personalized tour of NOW’s Quality Labs! Learn more at: About…