It has now been 3 years since I started the vitamin D. Yes I still take it, and yes it still works! In fact my winters have been much much healthier since. I take 4000 iu D3 most mornings. also vit c, krill oil, probiotic, 1-2drops of lugols. 200 mg magnesium citrate near bedtime. I make fresh green veggie juice most days too, regular walking and yoga. Sleeping soundly most nights and waking up ready for the day. Feel like I am finally living my life, not just dragging through it.
I developed severe insomnia last winter (nov 07) and went through quite a trial for months, with none of the many things I tried helping much except some tips on how to improve sleep habits through cognitive behavioral therapy. I was doing better May-Oct 08 then all of a sudden the same severe insomnia symptom was back in full force. Last month I decided to try vitamin D3 2000 IU/day, after reading so many recent articles about the importance of this sunshine vitamin. I chose tablets with D3 source from lanolin, since I am allergic to fish. Within a week I was sleeping soundly at night, and I am continuing to sleep well. In retrospect, it is likely that I became more susceptible to vit. D deficiency after I became lactose intolerant and stopped drinking milk.