I've never had my vitamin D levels checked, but I do take a vitamin D supplement. I notice that it has a real impact on my mood, and I'm much less likely to be depressed when I take it.
splitimage
__________________
"I danced in the morning when the world was begun. I danced in the moon and the stars and the sun". From my favourite hymn.
"If you see the wonder in a fairy tale, you can take the future even if you fail." Abba