According to the National Institutes of Health, only about 1 to 2 percent of an oral dose actually makes it into your bloodstream
Using a tiny needle (size of an insulin needle), B12 is injected into an acupuncture point usually in ST 36 point on the lower leg
If you experience persistent symptoms such as tiredness, numbness, memory issues or unexplained weakness, it is advisable to seek professional assessment and guidance.
Asare Christian , MDfounder, Aether Medicine (Philadelphia)
Safety and Research Limitations Importantly, No adequate clinical evidence defines safe human exposure, maximum tolerated dose, reproductive toxicity, carcinogenicity, genotoxicity, cardiovascular risk, liver safety, kidney safety, endocrine effects, or drug interactions