Low Levels of Vitamins B12 and D Linked to Depression
https://articles.mercola.com/sites/articles/archive/2022/01/05/high-homocysteine-and-depression-in-children.aspx?ui=cbb512787282e5b291b755483074a62cd8eb3d6fbdb2e3a43c10c6903cec256b&sd=20130307&cid_source=dnl&cid_medium=email&cid_content=art3HL&cid=20220105&mid=DM1075176&rid=1370330087
The role of vitamin B12 in viral infections: a comprehensive review of its relationship with the muscle-gut-brain axis and implications for SARS-CoV-2 infection
https://pubmed.ncbi.nlm.nih.gov/34791425/
Hent Flere