Injections, on the other hand, skip the digestive system for a more direct and effective delivery of vitamin B12
This is what makes the modern stack clean
TB-500 Dosing Math by Vial Size 5 mg vial + 1 mL bacteriostatic water = 5 mg/mL (5,000 mcg/mL) 5 mg vial + 2 mL bacteriostatic water = 2.5 mg/mL (2,500 mcg/mL) 10 mg vial + 2 mL bacteriostatic water = 5 mg/mL (5,000 mcg/mL) The 5 mg/mL ratio (1 mL of water per 5 mg vial) is the most popular setup because the doses land on clean, easy numbers
Corkey BE, Hale DE, Glennon MC, Kelley RI, Coates PM, Kilpatrick L, Stanley CA (1988) Relationship between unusual hepatic acyl coenzyme A profiles and the pathogenesis of Reye syndrome