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Major sources include: Foods Rich in Vitamin B12 Vitamin B12 is naturally found primarily in animal-based foods, such as: Beef liver and pork liver (the most concentrated sources) Red meat, poultry, and fish Eggs, especially egg yolks Shellfish such as clams and oysters Fatty fish like salmon, tuna, and sardines Dairy products including cows milk, yogurt, and cheese For individuals who follow a vegetarian diet, Vitamin B12-fortified foods can be a helpful choice, such as fortified cereals or fortified soy milk
*J Physiol Pharmacol.* 69(3)
The areas attracting the most focused attention include inflammatory bowel disease, where the preclinical evidence base is deepest
Though causation has not been established between vitamin B12 deficiency and depression, it has been found to be involved with many neurochemical pathways that potentially lead to this mental health disorder
It is important to be informed and be sure to talk to your doctor before taking any supplements, as they will be able to give you the best advice on how to get enough of this important nutrient