give yourself b12 injection home Ivy Grove Surgery : Self-administration of How To Self-Inject B12 -

MIC B12 combines three lipotropic compounds, Methionine, Inositol, and Choline, with B12 (methylcobalamin)

You may experience mild discomfort, which is normal and temporary, ensuring you return quickly to your daily activities with renewed vigour feeling reassured

Vitamin B12 helps with your neurological function, red blood cell formation, and overall energy metabolism in the body

Losing taste would relate to food, rather than injections Food Poisoning, well, if one does use when out of date/expired, then you have to accept consequences but things like milk, yoghurt, cream etc, one's nose and eyes can give a strong clue