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A missing enzyme-rescue metabolite as cause of a rare skeletal dysplasia Living cells depend on an intricate network of chemical reactions catalysed by enzymes, which sometimes make mistakes that lead to their inactivation. Here we report a metabolite-based mechanism for preserving enzyme...

I don't know if Long COVID is the correct forum to put this in, since the study was about recovery from acute COVID. But I think it's possible that something that helps people recover from the acute disease could help with LC. Study

Abstract Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a serious, complex, and highly debilitating long-term illness. People with ME/CFS are typically unable to carry out their routine activities. Key hallmarks of the disease are neurological and gastrointestinal impairments...

The Team of Doctors and Biohackers Who Seem to Be Successfully Treating “Long Covid” There’s actually quite a number of research papers on this.

Summary Aerobic glycolysis, or preferential fermentation of glucose-derived pyruvate to lactate despite available oxygen, is associated with proliferation across many organisms and conditions. To better understand that association, we examined the metabolic consequence of activating the pyruvate...