20 mg vial Concentration: 20 mg 3 mL = 6.667 mg/mL (equivalently 6,667 mcg/mL) Dose in mg: 250 mcg = 0.25 mg Draw volume: 0.25 mg 6.667 mg/mL = 0.0375 mL Syringe units: 0.0375 mL 100 = 3.75 units 4 units on a U-100 syringe On the 20 mg vial, one documented dose is a very small draw about the 4-unit mark
Some clinicians add subcutaneous injection (abdominal site) for systemic effects alongside oral dosing
They remain in a state of readiness, a kind of alert hibernation, and their energy consumption remains low
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Injections, on the other hand, skip the digestive system for a more direct and effective delivery of vitamin B12
therefore, a workout is needed