Vitamin B2 (Riboflavin)
Turnaround Time
3 days (up to 7 days)
Order online
Choose your lab and check out. We send your lab requisition automatically — no doctor visit needed.
Get your sample collected
Visit a lab service center near you for a quick blood draw (or book at-home phlebotomy where available).
See your results
Your results land in your Insider portal, ready to review and act on — that easy.
Your price
$10.90$35
3.2× less than retail
Versus the typical direct-to-consumer retail price for this test (illustrative — consumer prices vary by provider and region).
$10.90
Vitamin B2 (Riboflavin)
The Vitamin B2 test starts at $10.90 at BioReference. No doctor's visit and no insurance needed; we do not bill insurance. Fitomics Insider members pay from $8.90.
Results for the Vitamin B2 test are typically ready about 3 days after your draw, and up to 7 days for some samples. Your results land in your Insider portal.
No. When you order the Vitamin B2 test from Fitomics Research Labs, a licensed physician in our 50-state network reviews and signs your requisition after checkout, and it lands in your portal and inbox. Then visit any Labcorp, Quest, or BioReference patient service center for your draw; results post to your Insider portal.
Looking for something else? Browse every test by category.
