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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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weakness

  1. SeanQHX1

    Low Vitamin D and Ferritin + Heart Issues

    Hi everyone again! I just recently had both my vitamin D and ferritin checked recently and found that they are worryingly low. This is despite taking the right amount of iron in suppliments and around 4000iu of vitamin D in total with suppliments. My ferritin and iron levels have actually been...