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In vegans and other people whose B 12 deficiency is diet-related, oral B 12 supplements and a diet designed to increase consumption of vitamin B 12 should cure the condition
This water-soluble vitamin is not naturally created by your body, and large quantities of it can also be found in fish, seafood, and red meat, while smaller amounts of B12 are found in eggs, dairy products, and various cereals
Inadequate secretion of intrinsic factor, resulting from lesions that destroy the gastric mucosa (ingestion of corrosives, extensive neoplasia), and a number of conditions associated with a variable degree of gastric atrophy (such as multiple sclerosis, certain endocrine disorders, iron deficiency, and subtotal gastrectomy)
Always double-check whether you are working in mg or mcg values
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