what happens if you take expired b12 injection Hi I bought the injectable liquid but there's no use by date on it or how long have to use it once it's opened. Anyone know the answer? TIA x Do B12 Shots Expire or
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Mustanojan Kello on raahelainen kello- ja kultasepnliike ja ketjuihin kuulumaton perheyritys jo vuodesta 1987

If you don't get enough, you may experience symptoms of deficiency like fatigue, weakness, or nerve damage. But is having too much vitamin b12 bad for you