$365
Useful
Source Checked September 4, 2026
100% Free. No Account Needed.
Get the Lab Tests You Want Without Begging Your Doctor.
Compare 1,566 real lab tests from 158 providers. See what each one measures, what it really costs, and whether it fits you, before you spend a dollar.
- ✓Often cheaper than using insurance
- ✓Faster than booking a doctor visit
- ✓No referral needed in most states
7 quick questions. No account. No paywall.
Same Vitamin D Test
$20 to $91
Listed across 5 providers. We show you all of them.
Everything you need to choose,
in one free place.
1,566Real Test Records
158Documented Providers
$0To Find Your Fit
Lab Testing Without the Runaround.
In most states, you can now order many lab tests yourself. The hard part is knowing which one is worth your money. That's the part Labbrary does for you, free.
Same Vitamin D Test
Through insurance
Deductible met??
Your share?
Final billArrives later
Buying direct
Marek Health listed price$20
DeductibleDoesn't apply
FeesShown up front
Often Cheaper Than Insurance.
See the full price up front, with shipping, collection, and required fees included. No deductible to chip away at and no mystery lab bill weeks later.
300+ tests listed under $50
Getting a Lab Test
The doctor-visit route
- Book an appointment
- Wait for the visit
- Ask for the tests
- Get a lab order
- Get your blood drawn
- Get results
The Labbrary route
- Pick your test on Labbrary
- Order online, test at home or a lab
- Get results
Faster Than a Doctor Visit.
No appointment to book, no waiting room, and no second visit just to get the order. Order online, then collect at home or walk into a lab near you.
300+ tests with results in 3 days or less
What do you want to check?
Vitamin D TestQuest Health · Useful
$75ReferralNot needed
Physician orderArranged for you
Order Online
No Begging for Bloodwork.
Curious about your hormones, your thyroid, or your ApoB? You don't need your own doctor's sign-off to find out. Providers like Quest Health, LetsGetChecked, and Walk-In Lab arrange the physician order for you in most states, so you just pick the test.
1,566 tests compared in one placeTest Once a Year? That's Exactly Why You Need Labbrary.
You get one shot a year to get it right. The same biomarker can cost over four times more depending on where you buy it, and plenty of tests can't back up their own marketing.
4.5xPrice gap for the same Vitamin D test
143Tests that didn't earn a Useful grade or better
Same Vitamin D Test. Up to $71 Apart.
Listed prices for a single 25-hydroxy Vitamin D blood test
Marek HealthLab visit
$20
DirectLabsLab visit
$49
Quest HealthLab visit
$75
imawareAt home
$79
Private MD LabsLab visit
$91
$71 difference
Listed prices from the Labbrary catalog, source-checked September 2026. All five carry a Useful Test Grade. Collection method, turnaround, and extra fees vary by provider, so check each record before you buy.
We Graded 1,566 Tests. Only 41 Earned Exceptional.
Independent Test Grades across the full Labbrary catalog, September 2026
Exceptional41
Strong202
Useful1,180
Limited29
Not Enough Evidence112
Serious Concerns2
143
tests came back Limited, Not Enough Evidence, or Serious Concerns. Would you have known that from the product page?
See Every Biomarker Before You Pay.
Two tests can share a name and measure completely different things. Labbrary shows you what each test measures and what it leaves out, so you only pay for answers you actually want.
Each tile is one biomarker the provider lists for that test. Coral tiles are commonly requested markers the test doesn't include.
Every Test, Opened UpLabbrary
$0Listed price
4biomarkers listed
✓Listed in this test×Commonly requested, not included
Your Best-Fit Test in 7 Quick Questions.
Tell us what you want to learn, what you want to spend, and how you like to test. You get a shortlist ranked by fit, with an independent grade on every option.
Find My Test1
What do you want to learn?
EnergyHormonesThyroidHeart HealthGut HealthLongevityInflammationNutrientsStress
Tell Us What You Want to Know.
Hormones, energy, heart health, gut, longevity, or one specific marker. Pick what matters to you.
2
The Real Cost
- Test price✓
- Shipping✓
- Collection✓
- Required fees✓
One honest totalBefore checkout
See the Real Price Before You Pay.
The test price plus disclosed shipping, collection, and required fees, in one number. No checkout surprises.
3Your Shortlist · Example Fit Scores
86Fit
Score
Score
Thyroid Antibody Test
74Fit
Score
Score
Comprehensive Thyroid Test Panel
61Fit
Score
Score
Custom Thyroid Test
Pick With Confidence.
Test at home or at a lab near you. Every option shows an independent Test Grade next to your personal Fit Score.
Compare Popular Tests
Side by Side.
Price, sample type, turnaround, and an independent Test Grade, side by side. Tap a test to see its facts, then pick two or more to compare.
The Price Is Only the Beginning.
Listed Price · USD
Different tests, different purposes. These are not equivalent panels. Listed prices may exclude additional fees.
Googling Tests Costs You More. Here's Why.
The usual search is ads, affiliate lists, and product pages that all say they're the best. Here's what you get instead.
| What You Get | TheLabbrary Way | The Usual Search |
|---|---|---|
| Your Best-Fit Options in 7 Quick Questions | ✓ | × |
| Prices for the Same Test Across Providers, Side by Side | ✓ | × |
| The Real Total With Shipping, Collection, and Required Fees | ✓ | × |
| Exactly Which Biomarkers You Get, and Which You Don't | ✓ | × |
| Marketing Claims Checked Against Real Evidence | ✓ | × |
| An Independent Grade No Provider Can Pay to Change | ✓ | × |
| 1,566 Tests From 158 Providers in One Place | ✓ | × |
Know If a Test Is Worth It
Before You Buy It.
Every test gets an independent Test Grade built from 8 checks, from how accurately it measures to how it handles your data. Providers can't pay to change it.
Your Fit Score shows how well a test matches you. The two never blend.
Test Grade
UsefulExample
Your Fit Score
56Fit
ScoreExample
ScoreExample
Tap a Check to Learn More01 / 08
Measurement Quality
Look at how the test measures what it claims to measure, and the evidence behind that method.
We Collect the Evidence→Score Eight Checks→You Get One Clear Grade
What Do You Want
Answers About?
Pick a topic. We'll show you the tests worth your money.
100%
Free to Use.
No Catch.
No paywall, no account, no sales calls. Here's how we keep every grade honest.
Grades No Provider Can Buy +
Some outbound links may earn Labbrary a commission. Commissions never touch the rubric. Grading and monetization are separated by policy.
A Source Behind Every Claim +
Each check links its evidence. If a claim has no source, it can't strengthen the grade.
You Always See When Facts Were Checked +
Every record shows its source-check date when one is recorded. Stale records are flagged, not hidden.
Corrections Happen in Public +
When a result changes, the record shows what changed, when, and why.
We Tell You When We're Unsure +
Confidence drops when sources are thin. A polished product page never substitutes for evidence.
Free. No Account. No Paywall.
