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doi: 10.1073/pnas.1115634109 131 MdisKPanopoulosPColettaCPapapetropoulosASzaboC

NAC is particularly beneficial for Long COVID patients who also experience lingering respiratory symptoms or persistent mucus production, as it acts as a potent mucolytic agent

NAD+ (Nicotinamide Adenine Dinucleotide) is a coenzyme found in all living cells that serves as a critical electron carrier in the mitochondrial electron transport chain and as a substrate for sirtuins (SIRT1-7), PARPs, and CD38

Additionally, oxidative stress plays a key role in bone deterioration, causing inflammation, angiogenesis and synovial proliferation [16]

The source of this NO is still an open question