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Usually, vitamin B12-based injections are cheaper
For example, those with more severe deficiencies or certain health issues might need different doses
They also boost your mood and help with depression
Key differences in bioavailability: Prescription injections: High bioavailability due to direct delivery into the bloodstream OTC oral supplements: Variable bioavailability due to gastrointestinal absorption factors Understanding the differences between prescription B12 injections and OTC supplements helps healthcare providers tailor treatments
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