Additionally, if you experience dizziness, avoid driving or operating machinery until it subsides
When malabsorption is the issue, simply eating more B12-rich foods or taking standard oral supplements might not be enough
However, for patients without a true vitamin B12 deficiency, research shows that B12 injections are unlikely to boost energy or reduce fatigue
Still, side effects from B12 supplements are possible, especially at higher doses, and include: Headache Nausea Vomiting Fatigue Weakness Diarrhea Tingling in the hands and feet Nasal spray Vitamin B12 is also available in a nasal spray
MIC injections are cheaper and better tolerated but should not be presented as an equivalent alternative only as an option for patients who cannot or will not use GLP-1 therapy, with expectations set accordingly