One reason is being low in a type of compound produced within the stomach called intrinsic factor (a type of glycoprotein), which combines with vitamin B12 once consumed in order to allow it to be absorbed
Neurochemical Journal, 14 , 314-320
In addition to reducing or eliminating the symptoms of B12 deficiency, research suggests that B12 shots may: Reduce stress (7) Support central nervous system function, red blood cell formation, and DNA synthesis (2) Reduce the risk of vision loss from age-related macular degeneration (8) Lower homocysteine levels, which is associated with cardiovascular disease and stroke (9, 10)
Include the concentration, the reconstitution date, and optionally the mcg-per-unit value
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