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
People with absorption issues may need higher-dose products to see any effect, which adds up over time
If you see both options, choose based on price, supplier reputation, and product testing
What determines how quickly the treatment response is your lifestyle habits, treatment dosage, and body
If youre interested in experiencing the benefits of Vitamin B12 injections, we invite you to schedule a consultation at The Derm Spa