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Even if a person is not deficient in Vitamin B12, as defined by a blood test, the symptoms of a B12 deficiency may include: Feeling weak or tired Problems with vision Headaches Pins and needles Reduced mental functions Wish to check you vitamin B12 levels
It binds to glucose-dependent insulinotropic polypeptide (GIP) receptors and glucagon-like peptide-1 (GLP-1) receptors
This hormone will slow the gastric emptying You feel full after you eat more quickly and for a much longer period
For B12, prolonged use of metformin and acid-suppressing drugs (PPIs, H2 blockers) may reduce absorption of oral B12, which is one reason injectable B12 is considered in select patients
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