The human results were real but modest
Sodium bicarbonate is not entirely useless
Neither is a substitute for real medical evaluation of persistent fatigue
If you experience an allergic reaction to a B12 shot, consult your healthcare professional to discuss alternative treatment options
Common forms: tablet, capsule, liquid, sublingual, nasal, injection Common reasons for different dosing: prevention, confirmed deficiency, absorption problems, product strength, and medical supervision Important point: prescription products and over-the-counter supplements may have different intended uses Who may need medical guidance before taking vitamin B12 Many adults can use standard over-the-counter vitamin B12 products as directed on the label, but some people should speak with a clinician first