These include: Vegetarians and vegans, as vitamin B12 is mainly found in animal products Older adults, as they absorb vitamin B12 less well with age People with gastrointestinal disorders, like celiac disease or Crohns disease, which can block vitamin B12 absorption Those taking certain medications, such as proton pump inhibitors or metformin, which can also block vitamin B12 absorption Its best to talk to a healthcare professional about whether you need vitamin B12 supplements
To assess your health, they will typically consider: any symptoms you experience any medications you take any health conditions you live with your diet In addition, they can conduct a blood test to measure the level of vitamin B12 in your blood or the size and number of your red blood cells
Not for human or animal consumption
Researchers should design protocols with realistic endpoints focused on liver function and metabolic biomarkers
Injections provide a higher absorption rate compared to oral supplements, particularly for individuals with medical conditions that affect absorption