However my daughter has found an article on the internet saying there can be serious health consequences of having B12 injections and drinking alcohol
The following features, in isolation or combination, should prompt consideration of a possible seizure disorder and discussion with a clinician: Sudden, brief episodes of unresponsiveness or vacant staring that have a very abrupt onset and offset , particularly if they occur repeatedly and are associated with interruption of ongoing activity, may represent absence seizures. Unusual episodic sensory experiences, including odd smells, visual disturbances, a rising sensation in the abdomen or a sudden sense of fear without obvious cause, may represent focal seizure activity. Repetitive purposeless movements such as lip smacking, hand fumbling, chewing or swallowing occurring during episodes of altered awareness are associated with temporal lobe seizures
Cyanocobalamin thus reduces the SAM level, which is however urgently needed in the body Poor storability: finally, cyanocobalamin is inferior to the other B12 forms in terms of absorption
[1] [13] The most frequently reported adverse effects were gastrointestinal in nature, including nausea, diarrhea, vomiting, and constipation
The solution inside these prefilled pens is described in the official prescribing information as "clear, colorless to slightly yellow." Most users report that the liquid looks completely clear, like water, though a very faint yellow tint is within normal specifications