Risks and Side Effects While generally safe, vitamin B12 injections can have side effects or risks, such as: Mild pain, swelling, or redness at the injection site Dizziness, headache, or nausea Allergic reactions (rare) Hypokalemia (low potassium levels) in individuals with severe deficiency undergoing treatment People with allergies to cobalt or who have Lebers disease should avoid B12 injections unless specifically advised by a doctor
They ask the following which I am unsure of (forgive me as I am a total newbie to all of this!) and am perplexed by the request for verification (I have never self injected anything so don't really understand what they are asking!: Please note that the Inject-Ease does not administer intramuscularly so before you purchase the Inject-Ease verify that your B12 injection is subcutaneous
The NICE Guideline NG239 (2024) and the AAFP clinical review both support this approach
In rare cases, other serious side effects can occur, including anaphylaxis
Lot-Linked COAs : Each vials lot number ties directly to third-party HPLC/MS results
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