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Generally, no special diet is required specifically because of the B-Complex Injection

Oral administration faces hepatic first-pass metabolism, reducing bioavailability to approximately 4050% of subcutaneous routes, but offers convenience for longer-term studies where daily injections create compliance challenges

Retardation of myelination due to dietary vitamin B12 deficiency: cranial MRI findings

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[19] [4] Hydroxocobalamin can be injected intramuscularly to treat vitamin B 12 deficiency

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