b12 1000 injection CYANOCOBALAMIN INJECTION, USP 10,000mcg/10mL (1,000mcg/mL) 10mL VIAL 250 mL and 500 mL vials Provides 1 Cyanocobalamin (B12) Injection 1000 mcg/mL,
Description
Introducing synthetic peptides adds unpredictable variables
Some patients get paradoxical fatigue or headaches from B12 due to detoxification effects, in which case lower your dose

Many people report improved energy levels within a few days or weeks

X., Dixon, J

This stands in contrast to predictive techniques, which are less suitable for such dynamic conditions
