V - A good friend of mine had a super low vitamin D issue as well which in her case caused heart palpitations that had us all worried.
For her it was supplements but more importantly moderate exercise (which she still doesn't do) which I expect is not an issue for you and some dietary changes.
As I often say to people - "There's more than one way to skin a cat, but they all upset the cat". YMMV
On BD H52, W50 T27, M26 S21, D23 BD-9-Mar-16 D-15-Jan-18 Final-19-Apr-18 I am a storyteller. The story may do you no good. But a story is never for the listener. It is always for the one who tells