Potential Side Effects and Contraindications Side effects from B12 injections are rare but can happen
Intrinsic factor deficiency, or "congenital pernicious anemia," is a rare autosomal recessive disorder characterized by the lack of gastric intrinsic factor in the presence of normal gastric acid secretion and mucosal cytology (ie, without gastritis) and in the absence of intrinsic factor antibodies found in the acquired form of pernicious anemia
[6] Patients with a history of severe allergic reactions to similar injectable vitamins should not receive this product, or should undergo desensitization under close medical supervision if the therapy is deemed essential
Peptides Containing Glutamine or Asparagine These amino acids are susceptible to deamidation
Practical Interpretation The mechanistic plausibility (NNMT NAD SIRT1/PGC-1 BMR & fat oxidation) is strong and consistent across preclinical models
Its always advisable to consult with a healthcare provider before starting any new supplement regimen, especially if you have underlying health conditions