Vitamin B-12 Blood Test
What’s Being Tested:
- Vitamin B12 (Cobalamin)
Fasting: No
Specimen: Blood, Serum (Draw Location | How It Works | FAQs)
Turnaround time: 5-7 Business Days
Important Notes:
- This test cannot be collected in NY, NJ, MA, and RI. Contact us with questions.
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.
