Rarely, and almost exclusively from injections rather than oral supplements
Check expiration: Check Expiry Date Before Use Look for expiry date mentioned over the vial before using it
Alan has treated me twice, which was a godsend when so many other things I tried failed
TAKE TIME OBSERVE LABEL DIRECTIONS Composition Each mL of sterile aqueous solution contains: Cyanocobalamin (B 12 )..........1000 mcg With sodium chloride 0.22% w/v, ammonium sulfate 0.1% w/v, citric acid 0.01% w/v, sodium citrate 0.008% w/v, and benzyl alcohol 1.0% v/v (preservative)
Vitamin B12 plays a major role in maintaining energy levels, cognitive function, and overall health, especially in golden-age adults
However, as we mentioned, we really recommend the latter