does b12 injection interfere with pfizer covid vaccine Pfizer, partner BioNTech say updated shot shows better immune response Vitamin B12 as an epidrug

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They should not be seen as a standalone solution but as a complement to a balanced diet and exercise

Most online discussions mention different approaches, but there is no universal standard

Neurotransmitter Pharmacology Lehr et al

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It can be corrected simply with oral vitamin B 12 supplement since free vitamin B 12 absorption is not affected.31 Any process that interferes with the release of free vitamin B 12 , such as decreased production of gastric acid and pepsin for releasing vitamin B 12 from food, and impaired secretion of pancreatic enzyme for releasing vitamin B 12 from vitamin B 12 -R-protein complex, can lead to malabsorption