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This being a pilot study, the sample size is quite low
If this is the case, it may help to start slowly at a reduced dose and work up to the recommended amount
Easy dosing (2.5 mg/mL) works well for very small doses and precise measurements
B12 injections go straight into your muscle and bloodstream, so your body takes up most of the dose, while oral B12 has to pass through your digestive system first, where only a small fraction of a tablet gets absorbed
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