b12 injections side effect can injection make you sick Vitamin B12 – Philadelphia Medical Group b12 injection side effects how

Swirl gently until the powder fully dissolves do not shake or vortex

In some cases, injections may be given daily or several times per week at the beginning of therapy, and then the interval may be extended or switched to oral tablets once vitamin levels and symptoms improve

Improved Mental Clarity Adequate B12 levels support brain function, helping with focus, concentration, and reducing brain fog. 3

Researchers should follow established storage protocols

Usually, they go away with time but if these symptoms persist for a longer duration, please consult your doctor

Also theres a possibility that the needle hit a larger blood vessel which has bled into the muscle thus causing pain and stiffness