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22 May 2026 6 min Why do I feel worse after my B12 injection
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## **Other relevant codes** - **J3420** - Injection, vitamin B-12 cyanocobalamin, up to 1000 mcg - **J1270** - Injection, doxercalciferol, 1 mcg - **J0600** - Injection, edetate calcium disodium, up to 1000 mg Frequently asked questions
You follow post-treatment care instructions carefully
This leads to faster, more effective results compared to oral supplements
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[21] The amino acids methionine and choline in the injection help the liver process and remove excess fat more efficiently, essentially releasing stored fat so that it can be burned for energy
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