• Welcome to Phoenix Rising!

    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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  1. D

    Vitamin D deficiency advice..

    About 10 years ago, I first got symptoms of CFS. Like everyone else I went to the doctors and was tested for everything they could think of. In the end they could not find anything to pin point the problem and so diagnosed me as having CFS and I was told to go home as there was nothing they...