Blood studies can reveal your baseline levels before starting any injection protocol
Some patients report a mild headache or a feeling of lightheadedness after an IM injection
If you are unsure whether B12 injections are right for you in the first place, that starts with your GP and a blood test, as set out in the NHS treatment pathway
About the Experts Vishwanath Venketaraman, Ph.D., is a professor of microbiology and immunology at the Western University of Health Sciences in Pomona, CA
For muscle, joint, tendon, or ligament support, injections may be considered more targeted because they enter the body more directly
While extremely high doses of vitamin B12 can lead to toxicity, excess amounts are excreted in the urine