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This is an autoimmune condition where the stomach fails to produce intrinsic factor (IF), the protein required to absorb B12 naturally
The following groups are at higher risk of vitamin B12 deficiency and may need vitamin B12 shots
Vitamin B12 is best known for boosting energy and supporting red blood cells, but it also plays a key role in histamine breakdown
Also, under United States law, products sold as dietary supplements cannot have claims that the supplement treats or prevents any disease or condition, and the advertising material must contain a statement that the health claims are not approved by the FDA
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