b12 injection vs sublingual vs. B12 Injections: Which Option Is Right for You? – WhyNotNatural PDF) Comparison of sublingual vs.
Description
[14] confirmed the roles of NNMT in the development of T2D

A 25 to 27 gauge needle is appropriate, as it minimizes discomfort and is sufficient for penetrating the subcutaneous layer without reaching the muscle

No, most lipotropic injections are not FDA-approved
Deficiency in B12 can lead to symptoms of depression, mood swings, and anxiety

In extreme cases, people with pernicious anemia or a related condition known as vitamin B12 deficiency myelopathy can develop nerve damage related to vitamin B12 deficiency
