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Doctors and health media focus almost entirely on B12 deficiency, so seeing a number flagged as high can feel unexpectedly alarming
16 In this sense, the search for nutritional strategies that aim to reduce susceptibility to SARS-CoV-2 infection or the long-term complications of COVID-19 has been constant in several studies

As described above, SAM is the most important universal methyl group donor in the human body

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Even so, the frequency and significance of these observations are presently unclear
