can b12 injections make you sick Are Vitamin Shots Right for You? How Often Should You Get

They may prescribe antibiotics if you have bacteria in your intestine that prevents your body from absorbing vitamin B12

So people at greatest risk for deficiency include those with low stomach acid (e.g., older adults and people on proton pump inhibitors or antacids) or low IF production (known as pernicious anemia), people on medications that interfere with B12 absorption (such as metformin), people who have had gastric surgery, those with GI conditions that impair nutrient absorption (like celiac or Crohn's disease), and people on vegan and vegetarian diets

It may sound high, but in reality, only a small percentage is absorbed

Adhering to these guidelines protects both patients and healthcare staff, ensuring a safe environment in all procedures