Absorption issues: Some medical conditions such as pernicious anemia, celiac disease, Crohn's disease, and surgical removal of part of the stomach or intestines can impair the body's ability to absorb B12 from food
For muscle, tendon, ligament, or nerve repair , injectable forms are significantly more effective due to bioavailability and delivery route
| Pernicious Anaemi
[5] [6] Cyanocobalamin is generally well tolerated
When combined with weekly weight loss injections such as Semaglutide or Tirzepatide, B12 provides an added boost to help your body function at its best
Folate matters here too, since homocysteine also rises when folate is low, which is why a folate blood test is often run alongside