vitamin b12 pills vs injections for Energy: Does It Work & Who Needs Vitamin B12 Injections vs. Supplements:

How clinicians measure high ferritin levels Clinicians order a serum ferritin test via a routine blood draw

How They Differ From Standard B12 Shots While B12 injections are great on their own, especially for addressing anemia, brain fog, and low energy, Vitamin B complex injections take it a step further

After being extracted by gastric acid, it travels to the terminal ileum, where it is co-absorbed along with the intrinsic factor, an enzyme from the stomachs parietal cells (Fig

I was tested for anemia, but not anemic (per the usual tests), and eventually I learned that beyond the usual tests for anemia, theres a more sensitive test for iron deficiency anemia known as ferritin, that is very relevant in Hashimotos and hair loss