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"Systematic review and pragmatic clinical approach to oral and nasal vitamin B12 (cobalamin) treatment in patients with vitamin B12 deficiency related to gastrointestinal disorders"

It found that intramuscular injections worked best for nerve pain symptoms

Meanwhile, research on synergistic effects with other anti-aging substances will be further deepened, providing important support for establishing multi-target, multi-pathway anti-aging intervention systems

Patients often notice reduced cravings, smaller portion sizes, and more stable energy throughout the day

So thats the evidence that will be put forward to replace injections with tablets

Do the authors have commercial development interests