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(PubMed) US Department of Agriculture, Agricultural Research Service
Dietary sources of B12 are almost exclusively animal-derived and include: Meat and poultry Fish and shellfish Dairy products and eggs Fortified foods such as certain breakfast cereals and plant-based milks B12 is absorbed in the small intestine with the help of a protein called intrinsic factor , produced by the stomach lining
Who Should Read This Guide
The symptoms of B12 deficiency The symptoms of B12 deficiency follow from the metabolic functions of vitamin B12
I feel like it will be the Wild West for the first six months at least. It will be a circus
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