how long b12 injections last Do Last? B12 Injection Dosage and Frequency:

Any unused portion can be stored for later use for up to 60 days after initial opening instead of being discarded at the days end, as is the case with other injections

(1992) Effects of vitamin B12 on plasma melatonin rhythm in humans: increased light sensitivity phase-advances the circadian clock

Is this the same as the B12 I see in stores

Serum peak is faster than IM, and B12 can be combined with hydration (saline), B-complex, vitamin C, magnesium, and other ingredients in the same bag

Always remember to remove air bubbles from the pin by flicking it gently, pin side up, and pushing bubbles out

Isnt it time for a change in this old way of thinking