fever after b12 injection Symptoms of High Vitamin B12: Causes and When to Seek Help – Bolt Pharmacy Common & Rare Side Effects

This product is intended exclusively for professional users with adequate chemical training

Every batch is tested by independent EU laboratories using HPLC for purity verification and mass spectrometry for sequence confirmation

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B12 injections are also used to treat people with malabsorption (gastrointestinal conditions that prevent proper absorption of B12 from the gut), for example, people with atrophic gastritis (stomach inflammation) and intrinsic factor deficiency (pernicious anemia) or those who have undergone surgical procedures such as gastrectomy or small bowel resection (stomach or intestine removed), autoimmune diseases, etc