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Warnings and Precautions Hypokalemia: B12 therapy may cause a drop in potassium levels (hypokalemia), particularly during early treatment in patients with significant B12 deficiency

Depending on the clinical trial, more treated participants lost 5% up to 15% of their initial body weight vs

Injections are advised to circumvent potential absorption challenges in the gastrointestinal tract, particularly for those with known issues like Crohn's disease or irritable bowel syndrome, providing a more immediate replenishment compared to oral supplements, which may not be fully absorbed

Food for Thought: What If I'm a Vegan or Vegetarian