who shouldn't have b12 injections Do Help with Fatigue and Low Energy? What You Need to Know
Description
[1] Those who cannot digest or absorb B12 as a result of inherited genetics or damage to the stomach and small intestine require more than can be absorbed from sublingual supplementation
This dose exceeds 1 mL (100 units) at this concentration and cant be drawn in a single standard insulin syringe
Author contributions AH and DC conceived and designed the experiments
Adequate B12 status is necessary for normal cellular function, but supraphysiological dosesbeyond correcting deficiencydo not demonstrably enhance metabolism in individuals with normal B12 levels
