If you are a thyroid patient, the last thing you want to do is to use a low-quality formulation of B12 because it will just make it that much harder for it to get into your body (its already difficult enough as is)
Taking vitamin B12 supplements can alleviate any deficiencies, maintaining the recommended level of B12 within your system
Injections, or b12 shots , for those with severe deficiency or trouble absorbing B12
"And it's not because of any magic it's because these are natural substances that our bodies make and are familiar with, so that's what gives them this incredible safety profile." The FDA, however, has publicly stated that there is not enough evidence from human clinical trials on the safety or efficacy of these drugs
Healthcare workers discard syringes immediately after single patient use
Irish journal of medical science, 193 (3), 16211639