Caution is advised in patients with Leber optic atrophy, a genetic disorder caused by chronic cyanide intoxication (such as from smoking, alcohol or some plants), against the use of cyano-B12 due to its cyanide moiety, whilst hydroxo-B12 is a cyanide antagonist and can therefore be used in these patients
A deficit in Cbl is linked to weakened immunity as it is an essential vitamin
Scheduling a series of repeat appointments is also inconvenient
This medication is administered through injection using a syringe
Not too long after I turned 60 I noticed I was starting to feel weak and tired, had a hard time sleeping, had headaches all the time, low appetite (which is unusual for me as Ive always had a strong appetite), have heart palpitations, felt light-headed at times, and just seem to have lost my zest to go out and do things