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Systemic side effects include mild nausea, transient headache, dizziness, and increased heart rate in some patients
Experts highlighted the need for healthcare education on recognizing B12 deficiency symptoms and suggested targeted prophylactic supplementation for high-risk groups
Anh, F
* Prescription products require an online evaluation with a licensed medical professional who will determine if a prescription is appropriate
The vitamin B12 injection supplies additional B12 to those who need it
Safe Use, Dosage, and NHS Guidance on Vitamin B12 Pills The NHS recommends 1.5 mcg daily for adults, but therapeutic doses for deficiency are much higher oral cyanocobalamin 50150 mcg daily for dietary deficiency, or intramuscular hydroxocobalamin 1 mg for absorption-related causes
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