This is often due to limited dietary intake, malabsorption, medical conditions, or the use of B12-depleting medications ( Vitamin B12 deficiency is determined as follows ( Because the ability to absorb B12 from food declines with age, deficiency is more common in older adults
The total treatment time takes 5-10 minutes, which is quick
"Anaemia and related nutrient deficiencies after Roux-en-Y gastric bypass surgery: a systematic review and meta-analysis"
These drugs work by mimicking the action of a hormone called glucagon-like peptide-1 (GLP-1), which is produced by the body in response to food
A deficiency can occur for several reasons, such as pernicious anemia (a condition where the body cannot absorb vitamin B12 from the diet), certain medical conditions (e.g., Crohn's disease, celiac disease), surgical removal of part of the stomach or intestine, or strict vegetarian/vegan diets if not adequately supplemented