• 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.

    To become a member, simply click the Register button at the top right.


  1. linusbert

    Sudden intolerance of medication and supplements in case of a spoiled MCT-based USP-grade Vitamin D product in germany

    i am talking about this from time to time but i do not think there is enough awareness for this topic. in the following case a pharma quality product only available in pharmacy and with subscription had switched to a "new" mct source and people started reporting a strange taste and some even...