vitamin b12 injection side effects anxiety palpitations jittery and Heart Explained What You Need to Know
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Yes, dehydration under your eyes might give your skin a dull and tired look

Intramuscular injections may feel slightly more noticeable since the needle goes deeper into the muscle, but using proper technique and following your providers instructions can make the process more comfortable
The liver stores significant amounts of B12, providing a reserve that can last several months to years, depending on the individual's metabolic needs and the severity of prior deficiency

Additionally, it can aid in improving sleep patterns and reducing symptoms of depression and anxiety
