If you decide to use B12 shots make sure you know WHICH type of B12 you are getting
In wellness spaces, however, the same word is often used for experimental compounds that may look promising in animal studies or very early human trials but havent been rigorously studied
A: Most patients benefit from weekly injections, though frequency may vary depending on your health goals and provider recommendation
if you develop symptoms like hives, difficulty breathing, chest tightness, or severe dizziness after an injection, seek medical attention, as those could indicate an allergic reaction (which is extremely uncommon)
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