Reply To: What is involved in metabolism of D2 vs D3 that might cause a family Dr to disagree w/ an immunology spec,? Specialist has prescribed 50,000 iu per wk/ x12 to help override a D3 conflict w/ exploratory MS med patch. Now at
Sorry Eddiy your question got cut off. Humans need to take D3 because it is what we make naturally. So it is better for us. I assume you are talking about Multiple Sclerosis which may respond to treatment with Vitamin D.