Signs of Vitamin B12 Deficiency That Are Often Ignored

  • fortified foods and supplements can provide B12.
  • People with digestive or absorption problems: Conditions such as celiac disease and Crohn’s disease can interfere with B12 absorption. Certain weight-loss surgeries can also increase the risk.
  • People taking certain medications: Long-term use of medications such as proton pump inhibitors and metformin can reduce B12 absorption or increase the risk of deficiency.

If you experience any of these symptoms or believe you may be at risk for vitamin B12 deficiency, talk to a healthcare professional. Blood tests can help determine whether your B12