• 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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lion's mane

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    Thiamine Deficiencies, SIBO and Polyneuropathy

    Hi everyone. Sorry this is long. I’m hoping someone who’s tried high dose thiamine might chime in. For my backstory, I’m 69 and have been disabled with ME/CFS for 35 years. The first 3 yrs I was bed-bound most of the time and gradually improved to about 70% over the first 10 yrs. But then...
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