can b12 injections cause nausea What Happens When You're Allergic to Vitamin Vitamin B12 Side Effects Stomach:

This can lead to better endurance during workouts and a faster recovery period afterward

Levels did not significantly differ between those mothers who, according to a dietary questionnaire, took vitamin supplements containing B 12 compared to those who did not, although the B 12 supplemental dose was only 3 mcg per day.[45] Four hundred ninety-one pregnancy women in Dar-es-Salaam, Tanzania were randomized to receive a daily multivitamin supplement containing 50 mcg vitamin B 12 or placebo from 20 weeks gestation

it is typical for them to return to normal postpartum.3 Several factors are associated with vitamin B12 deficiency including lifestyle, genetic predisposition, and malfunctions in the absorption and transport of vitamin B12 (i.e

However, with direct injection, if you do not need the additional B12, it may result in high levels in your blood that can cause side effects including gastrointestinal issues, headache and dizziness, tiredness and weakness, or skin irritation until the excess is flushed out via your kidneys and urine