why would you need a b12 injection 10 Reasons to Look Into Vitamin Injections B12 Shots for Weight Loss:

Having low vitamin B12 levels can give rise to a range of health issues, spanning from fatigue to enduring neurological changes

Additionally, several commenters stated that diagnostic, prophylactic, or therapeutic intravenous infusions, such as chemotherapy, should not be subject to the efficiency adjustment, as the infusion rates are recommended on the required FDA labeling, and therefore cannot be made more efficient, or delivered at a faster rate

Or youd pay for peptides believed to stimulate tissue-healing cells

These individuals can receive an injectable form of the vitamin, which altogether bypasses the gastrointestinal tract