First Responder Owned · Idaho Falls, ID

Research Peptides.
Proven by the Batch.

Integrity in Every Molecule.

Every lot independently tested. Every vial traceable to its Certificate of Analysis. No guesswork — just documentation.

100%Lots 3rd-party tested
12 PMSame-day cutoff (MST)
GMPFinished in the USA
7 DaysSupport
MOTS-c research vial GL-3 RT research vial KLOW research peptide vial
✓
COA VerifiedLot-matched results
➤
Ships TodayOrder before 12 PM MST
Third-Party TestedSame-Day ShippingFirst Responder OwnedGMP Finished in the USAFree Ground Over $150Free 2nd Day Air Over $250Lot-Matched COAsIdaho Based Third-Party TestedSame-Day ShippingFirst Responder OwnedGMP Finished in the USAFree Ground Over $150Free 2nd Day Air Over $250Lot-Matched COAsIdaho Based
Most Ordered

Best Sellers

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Close-up of a white medicine bottle with a black cap, labeled Tesamorelin from Guardian Labs, against a pale blue background.Tesamorelin
$70.00 - or subscribe and save up to 10%
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A glass medicine bottle with a black cap, label showing Guardian Labs logo and the text GL-3 RT, 20 mg, for research use only.GL-3 RT
Price range: $70.00 through $158.00 - or subscribe
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Close-up of a glass bottle with a black cap, Guardian Labs label visible with a blue shield logo and bold '2X Blend' text.CJC-1295/Ipamorelin(5mg/5mg)
$45.00 - or subscribe and save up to 10%
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Our Standard

What Every Lot Goes Through

Claims are cheap. We'd rather show you the paperwork.

01

Identity & Purity

Independent third-party testing confirms each compound is what the label says and reports its purity.

02

Controlled Finishing

Filtration, filling, lyophilization and capping happen in a certified GMP facility in Greenville, SC.

03

Lot Traceability

Every vial is tied to a lot number, so the COA you read is for the exact batch in your hand.

Guardian Labs RUO
Compound Research Peptide
Lot No. GL-XXXX-0000
Storage Refrigerate
Certificate of Analysis ✓ Match
Lot GL-XXXX-00003rd-Party Lab
Verify Your Vial

Your Lot Number Is Your Receipt

  • 1
    Find the lot numberIt's printed right on your vial label.
  • 2
    Open the COA libraryLook up the product you ordered.
  • 3
    Match the lotSee the test results for your exact batch.
Open the COA Library →
Where It's Made

Not Just Relabeled Imports

Many peptide sellers buy finished vials overseas and slap their name on them. We source raw materials — and do everything else here at home.

Raw MaterialSourced globally
FormulationGreenville, SC
Filtration & FillGreenville, SC
LyophilizationGreenville, SC
ShipsIdaho Falls, ID
Highlighted steps completed in a certified GMP facility in the United States
The Hero Program
15% OffFor Life

You Serve. We've Got You.

Get approved once and Hero pricing shows up automatically every time you're logged in — no codes to remember.

Law EnforcementFireEMSMilitaryDispatchCorrectionsMedicalEducators
Apply for Hero Pricing →
Straight Answers

Questions? Answered.

The things researchers ask us most. Don't see yours?

Talk to a Real Person

Our team responds 7 days a week.

support@guardianlabs.life →
Who can buy from Guardian Labs?

Our products are sold for laboratory research use only — not for human or animal consumption, and not for diagnostic or therapeutic use. By ordering, you confirm you're at least 21 and purchasing for legitimate research purposes.

How fast do orders ship?

Orders placed before 12:00 PM MST ship the same business day via UPS. Ground is free on orders over $150, and 2nd Day Air is free over $250.

Where can I see test results?

Every product's Certificate of Analysis is in our COA library. Match the lot number on your vial to the COA for that batch.

What if my package is lost or damaged?

Orders with Guardian Labs Package Protection are covered for loss, theft, or transit damage, and we handle the claim directly. Email support@guardianlabs.life with your order number and photos within 21 days of shipment.

Do you offer refunds?

All sales are final. If you receive the wrong item, contact support@guardianlabs.life within 7 days of delivery with your order number and photos and we'll make it right.

How does the Hero Program work?

Apply from your account dashboard with a department ID, DD-214, or certification. Once approved, 15% Hero pricing is applied automatically across the site whenever you're logged in.

See all FAQs →

Research With Confidence

Integrity in Every Molecule.

All products sold by Guardian Labs are intended strictly for laboratory research use. They are not for human consumption and are not intended to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the FDA. Purchasers must be 21 or older.

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