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For a deeper dive into how it works, you can check out our guide on how to test for B12 deficiency at home
Staffa P, Cambi J, Mezzedimi C, Passali D, Bellussi L
Most patients report feeling relief soon after treatment
[Updated 2024 Jan 31]
Allergic reactions: While rare, it is possible to have an allergic reaction to vitamin B12 injections
Best foods to support treatment Lean proteins (chicken breast, fish, egg whites, low-fat Greek yogurt, cottage cheese) should form the foundation of most meals
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