You should see your GP if you are displaying these symptoms as it is important to be treated as soon as possible
The absorption of B12 is a complicated process but the two main components that are needed are the Hydrochloric acid in your stomach, which releases the B12 from food, and a protein called Intrinsic Factor which is produced in the lining of your stomach and which enables the absorption of B12 in the Ileum
declares having received consulting honoraria from Novo Nordisk, Weight Watchers, Eli Lilly, Boehringer Ingelheim, Pfizer, Structure and Altimmune
If your reconstituted solution appears clear instead of pink, the vial likely does not contain B12
Metabolic determinants of cellular fitness dependent on mitochondrial reactive oxygen species
Packaging: Available in single-use 30 mL high-quality plastic vials