Also known as cobalamin, it is primarily obtained from animal-based food sources, including: Meat: Beef, chicken, and pork Fish and Shellfish: Salmon, tuna, clams, and trout Dairy Products: Milk, cheese, and yoghurt Eggs: Particularly the yolks Fortified Foods: Certain cereals, plant-based milks, and nutritional yeasts are enriched with Vitamin B12 to cater to vegetarians and vegans
Lack of vitamin B12 naturally found in meat, fish, poultry, eggs, and dairy products can lead to a disruption in myelination, the process of forming a protective myelin coat around nerve cells
High doses beyond the typical daily requirement are avoided unless necessary, but there is no evidence of harm to the fetus from normal vitamin B therapy
An understanding of the vitamin B 12 absorption cycle helps illuminate the potential causes of deficiency
Frequently asked questions What does B12 do for you every day