Contact your doctor as soon as possible if you experience any new or changing symptoms after using vitamin B12 injections or supplements
However, structured cycling with breaks is recommended to maintain receptor sensitivity
Here are the best vitamin B12 injection sites for each method: Subcutaneous B12 injection sites Usually, the best places to give yourself a B12 shot subcutaneously are the abdomen, thigh, and upper arm, as you can see in this illustration: Although not shown above, the buttock is another good site for B12 shots
Sharper concentration and mental clarity
Check expiration: Check Expiry Date Before Use Look for expiry date mentioned over the vial before using it
It has been used to treat neurological diseases such as Huntingtons chorea, Tourettes disease, cerebellar ataxia and certain types of seizures