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Each vial provides about 10 days of dosing at 500 mcg/day or about 16-17 days at 300 mcg/day after reconstitution
B12 injections deliver the vitamin directly into your muscle tissue, allowing for nearly 100% bioavailability
This ensures the B12 remains in the muscle for steady release rather than being dispersed too quickly
A 30 mg vial reconstituted with bacteriostatic water yields about 10.0 mg/mL
That produces 2.5 mg/mL, where a 250 mcg dose is 10 units, 500 mcg is 20 units, and 1,000 mcg is 40 units
The law of diminishing returns applies, and expectations should adjust accordingly with each subsequent cycle
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