Ever wondered what a high MCV means on your blood test? MCV stands for mean corpuscular volume — it measures the average size of your red blood cells. When MCV is elevated, it means your red blood cells are larger than normal, which often happens when: ➡️ Your bone marrow is producing new “baby” red blood cells to compensate for anemia ➡️ You’re missing key nutrients like B12 or folate, needed for red blood cell maturation This pattern, known as macrocytic anemia, can point to nutrient deficienc

As a gastroenterologist, I see this pattern every week: patients with real symptoms, normal basic labs, and years of frustration. The problem isn’t that nothing is wrong. It’s that the right questions weren’t asked early enough. Here are science-backed blood tests that can uncover root contributors to chronic GI symptoms when used thoughtfully and in context: • CBC with indices Subtle anemia or macrocytosis can point toward malabsorption, chronic inflammation, or micronutrient deficiencies — not