The potential of a B12 overdose is not very likely, but it is most certainly possible
Vitamin B12 helps your body turn food into much needed energy, protects your heart, helps with regulating the formation of your red blood cells, DNA production, and in maintaining a healthy nervous system
Folic Acid (Vitamin B9) This vitamin is essential for red blood cell production and DNA repair and production
Moderate to Severe Deficiency: For moderate to severe deficiencies, the dosage may increase to 1,000 mcg several times a week initially, followed by a maintenance dose
You can return to normal activities right away
Injections are prescribed when dietary intake is inadequate or absorption is impaired