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

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  1. martytheman

    Anyone else with high histamine and insomnia?

    I think I have histamine issues , and I am also intolerant to methyls - but I have found N-acetyl-cysteine + L-theanine gives me great sleep. I need to take a bit of niacin sometimes because l-theanine is a methyl donor ( and I get back pain ) - niacin clears it out pretty well usually about...