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Folate
Essential for cell division and methylation
Also known as: Folic Acid,Vitamin B9
Reference Ranges
Clinical Reference
3.0 – 20.0 ng/mL
Optimal Range
10.0 – 20.0 ng/mL
Critical Range
< 2.0
ng/mL
Serum folate; RBC folate more stable
Related Conditions
Anemia
Low
Depression
Low
Food & Lifestyle Recommendations
🍎 Food
Increase leafy greens (spinach, kale, romaine), legumes, and citrus fruits
Name comes from 'foliage' — leafy vegetables are richest source
Evidence-Backed Supplements
When Low
-
Direct supplementation raises serum folate
Methylfolate (5-MTHF) 400–1000 mcg/day Morning -
B12 required for folate metabolism
Methylcobalamin or cyanocobalamin 1000–5000 mcg/day (sublingual preferred) Morning
Questions to Ask Your Doctor
- Could my low folate be related to MTHFR gene variants? MTHFR polymorphisms affect folate metabolism
Upload your blood test to see how your Folate compares to reference and optimal ranges.
Upload Blood Test