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why b12 injection is given Are Vitamin Shots Right for You? Best Vitamin B12 Injection Sites
Description
Dosing Frameworks Commonly Used A typical B12 injection protocol starts with 1 mg of either form given weekly for four weeks

However, in very rare cases, some people might occur side effects as below

Depending on your condition, after your first round of shots, your doctor may keep you on a regular regimen of shots or shift you to other delivery systems like pills or liquids

Additional Information
