There are several B vitamins, collectively available in supplement form as vitamin B complex
In that case, B12 injections will fix your anemia, stabilize your metabolism, and likely help manage body-weight
B-12 Injections B12 injections bypass the gut to deliver methylcobalamin directly into your system, supporting red blood cell production, nerve function, and sustained energy
Development and validation of LC-MS/MS assay for 5-amino-1-methyl quinolinium in rat plasma: application to pharmacokinetic and oral bioavailability studies
Even though it is found in many foods, a Vitamin B12 deficiency is still relatively common
The most obvious one is energy