Vitamin B-12 and Folic Acid
What’s Being Tested:
- Folate (folic acid) serum
- Vitamin B12
Fasting: 10-12 hours. Avoid biotin consumption for at least 72 hours before the draw.
Specimen Type: Blood (Draw Location | How It Works | FAQs)
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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