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Please consult your veterinarian if you have any questions
Route, Dosage, and Frequency Basics The Vitamin B12 injection route is commonly intramuscular or deep subcutaneous, depending on the product label and clinical direction
FDA.gov (2026) 11
You Suffer From Gastrointestinal Distress If you suffer from a gastrointestinal disorder, such as Crohns disease or celiac disease, you should get a vitamin B12 injection
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