Underlying health conditions can also lead to low B12 levels
As a general rule, most vets recommend administering intramuscular injections in the quadricep muscles (cranial thigh) or the lumbar spinal epaxial muscles (dorsal muscles along the spine)
Extra caution is appropriate in patients with active cancer, recent cancer, unexplained masses, unexplained weight loss, pregnancy, breastfeeding, known allergy to peptide products, active infection, immune compromise, significant liver or kidney disease, active inflammatory or autoimmune disease flares, unusual clotting history, uncontrolled cardiovascular disease, use of chemotherapy or immune-modifying biologic therapy, and competitive athletes subject to anti-doping rules
Amino acids can degrade when exposed to certain conditions
And of course, to really seriously consider the sourcing issue that we talked about earlier
The formula is identical