Vitamin B12 is an essential water-soluble nutrient that helps your body form red blood cells, maintain nerve health, and build DNA. Your body does not make this vitamin on its own, so you must get it from food or supplements. [1] (https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/), [2] (https://www.mayoclinic.org/drugs-supplements-vitamin-b12/art-20363663), [3] (https://my.clevelandclinic.org/health/diseases/22831-vitamin-b12-deficiencyChikhali Chinchwad
