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    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 (FM), long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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  1. S

    Significant Improvement Story -- Focus on Thiamine Deficiency

    Hi, This article is really interesting. I scanned the article and I didn't notice if the patients had low B1 levels. Do you know if you need to be deficient to see an improvement? Thanks, Sparki