0:00 Introduction: Common vitamin D deficiency symptoms 1:30 11 surprising vitamin D deficiency signs 5:56 Vitamin D3 deficiency explained 9:40 How much vitamin D should I take? 13:30 Take vitamin D3 with the cofactors Today, I’m going to tell you about some of the symptoms that you probably didn’t know were related to vitamin D deficiency. The most common signs that you’re vitamin D deficient include lower back pain, depression, high blood pressure, inflammation, and autoimmune diseases. Blood tests o