Multicenter trials would provide sufficient power to detect clinically meaningful effects and assess safety across diverse patient populations
It's non-invasive, outpatient, and requires no recovery time
Plateaus happen when metabolism adapts to caloric changes
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However, the peptide characteristics that enable absorption through the gastric mucosa, including its stability in acidic environments and resistance to enzymatic degradation, suggest it should maintain activity when absorbed through nasal mucosa as well
Patients seek treatment for medically-confirmed B12 deficiency causing fatigue, neurological symptoms, or anemia