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This age-related decline is not merely inconvenient

Off-Target Activity Later animal research acknowledged the need to optimise the compound in relation to clearance and off-target activity against monoamine oxidase A

Using B12 injections outside clinical necessity exposes patients to unnecessary risks without proven benefit

Clinical studies would need to look into this benefit, though

However, complete symptom resolution, particularly for neurological complications, may take several weeks to months depending on the severity and duration of deficiency before treatment

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