← Wellness · Minerals
TestMinerals

Selenium

Measures your selenium level — a trace mineral essential for thyroid function and antioxidant defense. One draw, results usually in 3–5 business days.

$ 59.00All-in price
1Tests included

Selenium is a trace mineral your body needs in small amounts to support thyroid hormone metabolism and to power antioxidant enzymes that protect cells. Both deficiency and excess can cause problems, so testing helps confirm you're in the right range.

Included Tests

Selenium
Essential for thyroid function and antioxidant defense.
Selenium
incl.in panel

What This Panel Measures

🦋
Thyroid support. Selenium is required to convert thyroid hormone into its active form.
🛡️
Antioxidant defense. It powers enzymes that protect your cells from oxidative stress.

Who Should Get This Panel

  • You have a thyroid condition, especially Hashimoto's
  • You take selenium supplements and want to confirm your level
  • You have a restrictive diet or a gut condition affecting absorption
  • You want to check a trace mineral as part of a nutrition workup

Conditions Screened

Selenium deficiencySelenium excess

Related Symptoms

FatigueHair changesWeakened immunityThyroid symptoms

When to Get Tested

Any time; no fasting is required. Consider testing if you have a thyroid condition, take supplements, or want to round out a nutrient assessment.

Understanding Your Results

Results post to your secure online account usually in 3–5 business days, with your value and the reference range. Both low and high selenium can be harmful, so aim for the middle of the range rather than the top. Interpret alongside your diet and any supplements you take.

Frequently Asked Questions

Do I need to fast?
No fasting is required — you can test any time.
Can I take too much selenium?
Yes. Selenium has a relatively narrow safe range, and excess from high-dose supplements can cause symptoms — another reason to test rather than guess.
Is this billed to insurance?
No — you pay directly here, and nothing appears on your insurance record. Results go only to your secure account.

Pairs Well With — Same Blood Draw

TSH
First-line thyroid screen.
+ Add
Zinc
Another trace mineral for immunity and thyroid.
+ Add
Vitamin D, 25-Hydroxy
Common nutrient to check alongside minerals.
+ Add
$ 59.00
✓ The price you see is the price you pay. No draw fees. No physician fees. No surprise bills. $ 59.00 is all-in.
Comparing prices? Some self-pay labs advertise a low number, then add ~$28 in "lab & physician fees" at checkout. We don't. What you see here is the whole cost.
⚡ We send your lab order electronically to the test center in 2–3 minutes. Nothing to print, nothing to bring — just walk in and sign in.
📍 Can you get tested nearby?

Test centers don’t accept payment — you pay securely here; the lab just does the draw.
⚡ Results 3–5 business days🧪 1 tests

What happens after you order?

  • 1Your lab order form & test code appear in your secure online account — with your test center’s address.
  • 2We send your lab requisition to the test center electronically.
  • 3Walk in & get tested — tests usually take 5 minutes or less.
📞 Need support? (866) 873-0879
$ 59.00all-in · no extra fees