I was put on it because I have stones and my parathyroid hormone level is 2.5x normals. The understanding is that low vitamin D causes higher PTH which can infl

I was put on it because I have stones and my parathyroid hormone level is 2.5x normals. The understanding is that low vitamin D causes higher PTH which can influence stones even though my blood calcium is normal. We didn't get to a root cause on the palpitations but my vitamin D has dropped back to 9 so I am going to have to supplement.