Some sources suggest the compound is well-absorbed orally based on rat pharmacokinetic data, while others argue that subcutaneous injection provides more reliable absorption
Availability of data and materials The dataset supporting the conclusions of this article is included within the article
It can cause brain fog that makes focusing or finding the right words a struggle
For this reason, B12 injections are sometimes used to offset the many symptoms of vitamin B12 deficiency, such as fatigue and weakness, poor moods, and low concentration
According to FIT UK (Forum for Injection Technique) recommendations, patients should avoid injecting within 5 cm of the umbilicus
However, always discuss the dosage with your doctor or therapist