Early this year I was diagnosed with adrenal fatigue and low thyroid and have had cfs for years. I have been taking vit D3 for about 3 months now, along with T3 and hydrocortosine. I have not noticed any improvement and am waiting for blood tests to see what is happening, This morning I had a phone call from someone else with cfs, who gave me the pep talk about the Marshall Protocol and how the D3 is bad for me and that I should get my vitamin D and hormone D levels tested and if I was on the MP my adrenal and thyroid would gradually fix themselves up. He believes that he is improving after 6 months on the MP and has the best of intentions but the phone call has left me even more confused. When I got on the message board this afternoon I found the topic of D3 and the idea that it supports thyoid function. How can it be that one group of people with cfs appear to be benefiting from D3 and others are avoiding it like the plague and also appear to be benefiting? And what about those who have such negative reactions to both approaches that they are unable to complain? What is the easiest way for me to find out which, if either at all, group I belong in? My body has been messed around so much over the years that I feel like a lab. rat just used to test the latest fads. I think this question is turning into a 'vent'. It is so difficult to know what to do. Thank you for reading this attempt to let off some stress and steam.