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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. Elahn

    Mitochondrial supplements worked great then stopped...why?

    According to this, sublingual D-Ribose wouldn't absorb well. 15g/day was used in an open label pilot study for FMS/CFS, which is probably why people suggest that amount.