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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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Search results

  1. H

    Is there BH4 supplement/medicine?

    I just tried the one from Spectrum Supplements and a box popped up that said: "Pteridin-4 (2.5mg) - 60 capsules (formerly BH4 - TetrahydroBiopterin) is not for sale" It is cheaper, but I'm not sure why they're not selling it right now.
  2. H

    Is there BH4 supplement/medicine?

    Here's one: http://www.nutrimedical.com/products.jhtml?method=view&product.id=4013