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I have another question: Does anyone know how much Vitamin D we're supposed to have daily? Does that amount fluctuate depending on the time of year?

Thanks!

Sha-Sha

Hi, everyone: I was diagnosed with RRMS in January, 2003. I've had a very mild case of MS with no relapses since I was diagnosed. BUT, this summer I have been noticing feeling VERY sleepy and weak in body--this is the first time I've struggled with this problem. I had some blood work done, and my wh...