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Not Recommended For B12 Vitamin Injections may not be appropriate for: Individuals with known allergies to cobalt or cobalamin Patients with Lebers disease Individuals with excessively high B12 levels Pregnant or breastfeeding individuals without medical provider approval Pre-Treatment Guidelines To help ensure the best experience, please: No fasting is required Stay well hydrated before your appointment Inform your provider of all medications, supplements, and allergies Mild soreness at the injection site is possible and typically temporary Frequently Asked Questions How often should I receive a B12 Vitamin Injection

However, vitamin B12 is somewhat unique among water-soluble vitamins

Some patients have also experienced a hypersensitivity reaction following intramuscular injection that has resulted in anaphylactic shock and death

Last updated on Dec 29, 2025