A trace mineral important for thyroid and antioxidant enzymes; measured for deficiency or excess.

$24.00
cheapest all-in, at GoodLabs ($12.00 + $12.00 draw). Compared across 13 order sites.

Every order site, cheapest first

All-in = the test price plus that site's one-time blood-draw or order fee. 5 of these sites have changed this price since our June baseline. Always confirm on the vendor's own site before ordering.

Order sitePerforming labTestDraw feeAll-inStatus
GoodLabs ↗ Quest / LabCorp / BioReference $12.00 $12.00 $24.00 verified
JasonHealth · Quest ↗ Quest $35.00 $18.00 $53.00 verified
Fitomics · Insider · LabCorp ↗ LabCorp $57.31 - $57.31 verified
DrSays · Subscription · LabCorp ↗ LabCorp $58.99 - $58.99 verified
Marek · Quest ↗ Quest $50.00 $10.00 $60.00 verified
DrSays · No Sub · LabCorp ↗ LabCorp $58.99 $9.99 $68.98 verified
Ulta Lab Tests · Quest ↗ Quest $58.95 $12.95 $71.90 verified
OwnYourLabs · LabCorp ↗ LabCorp $72.80 $6.00 $78.80 verified
Grass Roots Labs · Quest ↗ Quest $60.00 $28.00 $88.00 verified
Fitomics · Outsider · LabCorp ↗ LabCorp $71.28 $20.00 $91.28 verified
WalkInLab ↗ LabCorp / Quest $99.00 - $99.00 verified
LabCorp OnDemand · LabCorp ↗ LabCorp $109.00 - $109.00 verified
PrivateMDLabs ↗ LabCorp / Quest $400.00 - $400.00 verified

See a price that looks wrong? Report it on the comparison page - expand the order site and click "flag".

Related tests

Prices are collected periodically and can change or lapse. This is a research and education resource, not medical advice. Pricing framework and source data compiled by PedroDaGr8, reproduced with permission.