how long it takes for b12 injections to work Does a Shot Last In Your Body? Vitamin B12 Injection Treatment |

Early signs include persistent fatigue, weakness, paraesthesia (pins and needles) in hands and feet, balance problems, and cognitive changes such as memory impairment

Split dosing may help if: single morning dose produces effects that fade by afternoon, you are using higher doses (450-500mcg) where sustained levels may help, or evening administration fits your schedule better than early morning

Plus, the symptoms of low B12 can be very subtle, or they may be confused for symptoms of other conditions

Heres how to do an IM injection: Choose a needle thats 1-1.5 inches long and 22-25G thick

If you follow a vegan or vegetarian diet, are over the age of 50 , or live with a digestive condition like Crohns disease or pernicious anaemia, your body might struggle to absorb B12 from your food