can b12 injections affect periods can b12 injections affect your period Feeling tired, foggy, or run-down? It could be a Anemia and periods: Link, treatment,

for instance, a few people experience nausea, upset stomach, or diarrhea after the injection

mg - mcg / mL - - - rounded down to whole draws Draw Reference Enter values to estimate the syringe mark

Common side effects of B12 injections These B12 effects tend to resolve on their own within a day or two: Injection site reaction, such as mild soreness, redness, or swelling Brief itching or warmth at the injection area A feeling of fullness or pressure in the muscle Mild headache or nausea shortly after the shot These reactions are typically related to the injection itself, not the vitamin

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