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It's the result of extensive testing to optimize preservation, safety, and compatibility with injectable medications
Some people are unable to manufacture Intrinsic Factor, a condition called pernicious anemia, making it impossible to absorb Vitamin B12 from foods or oral supplements
There is very little evidence that vitamin B-12 injections or supplements will directly lead to weight loss
Alternatively, it is also available as a dietary supplement and as a prescription medication
You may also be more likely to develop vitamin B-12 deficiency if you have: Atrophic gastritis, in which your stomach lining has thinned Pernicious anaemia, which makes it hard for your body to absorb vitamin B12 Conditions that affect your small intestine, such as Crohns disease, celiac disease, bacterial growth, or a parasite Immune system disorders, such as Graves disease or lupus Been taking certain medications that interfere with the absorption of B12
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