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De novo NAD+ synthesis enhances mitochondrial function and improves health

It is worth mentioning that all participants had received at least two doses of SARS-CoV-2 vaccine (Sinovac-CoronaVac, Pfizer or AstraZeneca) at the time of the follow-up appointments

When intrinsic factor-mediated absorption is functioning normally, only about 1.5-2 g can be absorbed per meal through this active mechanism

Logistic regression analysis was performed to evaluate the independent risk factors associated with the presence of insomnia

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