giving vitamin b12 injection Injection: Uses, Benefits, and Side Effects Treating Severe Vitamin B12 Deficiency

there is no question about that

At first they used liver extract shots, but in 1948 B12 was isolated, and it was a matter of time before B12 shots became the norm

Diabetes Care

If youre not aware, the liver is the storage unit for vitamins like vitamin A, D, E, K, and B12

Patients with mild to moderate renal impairment generally do not require dose adjustment, but closer monitoring may be warranted, particularly for signs of gastrointestinal adverse effects that could lead to dehydration and worsening renal function

I wish you well I respect your judgement over mine, but I haven't found any deterioration in ampoules that have been stored in the dark but are a year beyond their date