vitamin b12 injection administration Sites: All You Need to Know Ivy Grove Surgery : Self-administration

You may need B12 injections if you: Have been diagnosed with pernicious anemia Have gastrointestinal issues (e.g., Crohns disease, celiac disease, or after bariatric surgery) Follow a strict vegan or vegetarian diet without adequate supplementation Are over the age of 50, as absorption decreases with age Take certain medications that interfere with B12 absorption Have chronic fatigue, memory issues, or nerve problems due to B12 deficiency

This is not optional during aggressive weight loss

Therapeutic response to cyanocobalamin may decrease due to elderly age, infection, renal insufficiency, diabetes mellitus, marrow suppressants use (e.g

(Science!) Because of this, theres actually no tolerable upper intake level (UL) for B12 (the max dose you can take before you experience side effects)