A couple years ago my blood tests showed low Vit D and so I've been taking it twice a week since. I don't know about health but on the two days I take it I seem

A couple years ago my blood tests showed low Vit D and so I've been taking it twice a week since. I don't know about health but on the two days I take it I seem to have a lot more motivation to get things done and instead of thinking "I should go do X" I find myself just doing it.