how to vitamin b12 injection self-inject intramuscular - Overview Vitamin B12 Shots Specialist Near

Oral supplements have to pass through the digestive system and may not be absorbed efficiently, especially in people with gastrointestinal conditions like celiac, Crohns, or gastritis

Clinical Chemistry (2014) 8

You should also inform your doctor right away in case you encounter any of the following serious side effects

These are common signs people bring up when they ask us about B12: Ongoing tiredness or low energy Trouble concentrating or remembering Pale skin Mood changes or irritability Feeling lightheaded or weak If several of these sound familiar, a simple blood test can help you and your provider decide on the next steps