Low Folate (Vitamin B9): what it means
A Folate (Vitamin B9) result below the normal range is considered low. Here is what a reduced Folate (Vitamin B9) can point to, and when it is worth discussing with a doctor.
Reference range: Serum folate >3 ng/mL; deficiency at lower levels
Understand your full resultWhat a low Folate (Vitamin B9) can mean
- Poor diet, alcoholism — most common.
- Malabsorption — coeliac disease, Crohn's, bariatric surgery.
- Methotrexate, trimethoprim, phenytoin, sulfasalazine — drugs that interfere with folate metabolism.
- Increased need — pregnancy, lactation, chronic haemolysis.
- Always check B12 alongside folate — pure B12 deficiency can drive folate appearance into similar tissue patterns; treating folate alone in a B12-deficient patient can precipitate irreversible neurological injury.
When to discuss with a doctor
A low folate level should prompt a clinical conversation about diet, alcohol use and B12 status. Women of childbearing potential benefit from 400 mcg folic acid daily starting before conception. Symptomatic deficiency (macrocytic anaemia, glossitis) is treated with replacement, but B12 must be ruled out first. Mediora.AI flags low folate alongside the rest of the macrocytic-anaemia panel.
Conditions this can relate to
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Upload your test - freeMediora.AI is informational - interpretation, not a diagnosis. A single out-of-range value is common and often benign; always discuss decisions with your doctor.