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Efficiency of the sublingual route in treating B12 deficiency in infants
When addressing the question of How quickly does B12 shot work, the answer varies from person to person and depends on the severity of the deficiency
The NHS website advises that adults (aged 19-64 years) need about 1.5mcg per day
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Final Thought When comparing B12 Injections vs Oral Supplements, the right choice ultimately depends on your individual health profile, severity of deficiency, and how well your body absorbs nutrients
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