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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. Jwarrior77

    How to test for connective tissue breakdown and their metabolites?

    Can anyone provide me a link on where to test for connective tissue breakdown and the metabolites that gets produced? I know hydroxyproline is one of them. I heard it can be done with labcorp. Is this test below the test that needs to be done? I see there is one that is plasma and there's...