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With insulin: It is necessary to monitor blood sugar levels to avoid the risk of hypoglycemia
18 A study in 2003 compared oral versus sublingual cyano-B12 (500 g per day for 8 weeks), and found that both increased B12 levels significantly without a significant difference between the two
Your alcohol metabolism clears ethanol, but residual neurological effects linger
This means that the concentration of B12 dropped by half within that time
A 1ml syringe is often sufficient for typical B12 doses
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