Vitamin B2 (Riboflavin)
What’s Being Tested:
- Vitamin B2 (Riboflavin)
Fasting: 10-12 hours
Specimen Type: Blood (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.
- Avoidance of vitamin supplements for 24 hours prior to the blood draw is preferred.