glutathione peroxidase 中文 麩胱甘肽過氧化物酶- 維基百科，自由的百科全書 The Selenoprotein Glutathione Peroxidase 4:

PASC affects asymptomatic, mild symptomatic, or self-quarantined (at home) individuals infected with SARS-CoV-2, as well as moderately to severely inflicted COVID-19 patients that require hospitalization and/or intensive care 4

Acknowledgments The work in this study was supported by the Natural Science Foundation of China (grants 30971188, 81273279, 81302560, and 81373201)

Higher doses of vitamin B12 may be used to treat a clinically recognised deficiency

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Weight Loss : While Vitamin B12 injections can help improve energy levels, they are not a weight loss medication

The timeline varies from person to person