The most commonly reported side effects are mild and transient, including injection site reactions (redness, slight swelling, or tenderness), mild headaches during the initial days of use, and occasional dizziness or lightheadedness, particularly when starting the peptide
They are not medications, nor are they intended to diagnose, treat, prevent, or cure any disease or medical condition
Worsening neurological symptoms : Progressive weakness, worsening balance problems, or deteriorating cognitive function despite treatment requires urgent assessment
Customizing maintenance dosing for each patient helps make vitamin B12 therapy more effective
GLP-1 Peptide Medications GLP-1 peptides -- such as semaglutide and tirzepatide -- may be a more clinically validated option for patients whose primary goal is meaningful weight loss, and these are addressed in separate articles in this Peptide Series