when do vitamin b12 injections start to work Injection: Benefits, Uses and Who Needs It Cobalamin (vitamin B12) and Folate
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The dosage should be initiated at a low-dose and increased gradually, noting the clinical response and any evidence of intolerance

The recommended daily intake of B12 for adults is 2.4 mcg

Individuals recovering from bariatric surgery , where nutrient malabsorption is common
Feeling lethargic for no reason
