b12 injection mechanism of action Pernicious Anemia: What It Is, Causes, Signs, Symptoms, and More Vitamin B12 - Wikipedia

Heart palpitations Pallid skin Constipation, diarrhea, and gassiness Vision loss Numbness or tingling in the extremities Depression and memory loss Sore tongue Confusion and hallucinations Personality changes Reduced sensitivity to pain or pressure Often these symptoms take several months to a year to develop and recognize, however, if youre a vegan or vegetarian and feel down or fatigued, you may be B12 deficient

PMID 35109910

Lipophagy-derived fatty acids undergo extracellular efflux via lysosomal exocytosis

High vitamin B12 levels may also be present in people with conditions such as liver disease and certain cancers