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Subgroup analyses were planned based on age group (e.g., children, adults, older adults), baseline serum Vitamin B12, and the form of Vitamin B12 used
Step 5: Review the Results Check concentration per mL, volume per dose, insulin unit equivalent, and estimated doses per vial
Other common symptoms of B12 deficiency include: Lethargy or a total lack of energy Extreme fatigue Palpitations Pale skin Feeling faint Breathlessness Weight loss and loss of appetite Your doctor may prescribe B12 injections in extreme cases that take effect right away
Age, certain medications, stomach conditions, and plant-based diets can all interfere with absorption
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