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Nutritional supplementation
This depends on the dose and vial size: 50mg vial at 1mg/dose = 50 doses 50mg vial at 2mg/dose = 25 doses 100mg vial at 1mg/dose = 100 doses 100mg vial at 2mg/dose = 50 doses 200mg vial at 2mg/dose = 100 doses Community-reported protocols using 1-2mg daily document a 50mg vial lasting 25-50 days
The Absorption Challenge: Research published in the American Journal of Clinical Nutrition reveals that absorption rates for oral B12 vary dramatically based on individual factors
[2] For this reason, elevated serum homocysteine over 15 micromol/L and methylmalonic acid (MMA) over 0.271 micromol/L are considered better indicators of B 12 deficiency, rather than relying only on the concentration of B 12 in blood
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