If left untreated, Vitamin B12 deficiency can progress to pernicious anemia, a condition that can cause extensive nervous system damage and become life-threatening
doi:10.1136/bmj.325.7374.1202
Vitamin B 12 can also be absorbed by passive diffusion, but this process is very inefficient only about 1% to 2% of the oral vitamin B 12 dose is absorbed passively (2)
Also, most patients find the treatment comfortable, making it an excellent way to lose weight in a healthy fashion without having to resort to invasive surgeries
For people with hormonal barriers to weight loss, hormone replacement therapy may address the root cause
The Role of B12 Tablets and Supplements While injections are often necessary for significant deficiencies or malabsorption issues, B12 tablets and oral supplements still play a vital role