Because I was suicidal, had extreme mood swings and all of the muscle pain and instability. I didn't even know about vit D, didn't research it. I just got a pa

Because I was suicidal, had extreme mood swings and all of the muscle pain and instability. I didn't even know about vit D, didn't research it. I just got a panel done to get an idea of what's going on with me and discovered I was severely deficient on vit D