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vitamin b12 injection side effects jittery palpitations anxiety What Causes Effects? Understanding the B12 Vitamin Shot:
Description
Cell (2020) 182(3):685712.e19

This method may help support nerve function more effectively, particularly where deficiency or functional low levels are suspected
Iron Bisglycinate a gentle, high-absorption form that doesn't cause nausea or constipation
People with B12 deficiency, often due to diet or absorption issues, can benefit from these shots to quickly raise levels