red blood cell formation, and neurological health. Studies suggest that nearly 40% of North Americans are deficient in this essential vitamin, with rates even higher among those with conditions like Chronic Fatigue Syndrome or Fibromyalgia.
Testing for B12 Deficiency
Determining if you have a B12 deficiency isn’t always straightforward. While serum B12 tests are commonly used, they don’t measure how well your body is utilizing the vitamin. For a more accurate diagnosis, ask your doctor about an Intracellular B12 test. If that’s unavailable, tests for Methylmalonic Acid (MMA) and Homocysteine
