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Contraindications: Sensitivity to the listed ingredients
This enzyme catalyzes the conversion of ATP to cyclic AMP (cAMP), a critical second messenger molecule
Key takeaways Vitamin B12 deficiency can cause headaches and may be linked to chronic migraine
Forms of B12 supplements available include: Cyanocobalamin : The most common and cost-effective form in over-the-counter supplements Methylcobalamin : A naturally occurring form, often marketed as superior though evidence for clinical advantage is limited Hydroxocobalamin : The preferred form for intramuscular injection in the UK, used therapeutically for pernicious anaemia and confirmed deficiency [4] Dosing considerations depend on the indication
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