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Third-party tested · Made in the USA

Research peptides with proof of purity.

Every batch is HPLC-verified to 99%+ purity by an independent lab, and every vial ships with its certificate of analysis. For laboratory research use only.

Shop all peptides See our lab results →

Catalog

Shop by research area

View all 25 peptides →

Research blends

Multi-peptide combination vials for regenerative and tissue-repair research — Glow Blend, Klow80, and Wolverine.

Shop 3 blends →

GLP & metabolic

GLP-1 class compounds for metabolic research — Retatrutide, Semaglutide.

Shop 4 GLP peptides →

Mitochondrial & metabolic

Compounds for mitochondrial and cellular research — MOTS-C.

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Regenerative & tissue repair

Peptides studied for tissue repair and recovery research — BPC-157, TB-500.

Shop 5 peptides →

Stack & save: curated research bundles save up to 15% vs. single vials.Browse all products →

Our lineup

Currently available peptides

Every product below ships with its batch certificate of analysis. Volume discounts apply automatically from 3 vials.

View all 25 →

GH & metabolic peptides

Growth-hormone secretagogues and metabolic research compounds, each with full batch documentation.

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Specialty compounds

More research compounds

Additional research peptides and lab supplies available in the full catalog.

View all 25 →

COA ✓

Bioregulator Peptides

Epitalon · 50mg

$59.99View options

COA ✓

Antioxidant Research

Glutathione · 1500mg

$79.99View options

COA ✓

Mitochondrial

SS-31 (Elamipretide)

$149.99View options

COA ✓

Reconstitution Supplies

Bacteriostatic Water

$12.99View options

Research guides

Source-checked research guides

All guides →

OverviewPopular peptidesThe most-searched peptides, their FDA status and what the evidence shows.MitochondrialSS-31 (elamipretide)The FDA-approved drug versus a research vial, and what the trials show.MitochondrialMOTS-c peptideWhat the research shows, FDA and WADA status, and why no dose is established.RegenerativeWolverine peptideBPC-157 and TB-500: the evidence, ranked, and how to vet a blend.RegenerativeBPC-157What the research shows, the human evidence so far, and how to check a vial’s COA.Research blendsKlow peptideWhat is in the 80 mg blend and how it differs from Glow.GLP & metabolicHow to reconstitute retatrutideBAC water chart for 10, 30 and 60 mg vials, storage and COA checks.ToolPeptide calculatorReconstitution volume and concentration math for any vial.Research blendsGlow peptideGHK-Cu, BPC-157 and TB-500 in one vial: what the research shows and why no dose exists.GH secretagoguesSermorelin peptideGeref’s FDA history, what child and adult trials showed, and how it compares.GH secretagoguesTesamorelin peptideThe FDA-approved Egrifta, what the trials showed, and what the label warns.GH secretagoguesCJC-1295 peptideWith DAC vs without DAC, and which form human trials actually tested.GH secretagoguesIpamorelin peptideHow it works, the human trial results, and how it differs from CJC-1295.GH secretagoguesCJC-1295 and ipamorelinThe pairing, the GHRH plus GHRP evidence, and what has never been tested.AntioxidantGlutathione peptideOral and injection studies, FDA warnings, and how to read a glutathione COA.Metabolic5 Amino 1MQA small molecule, not a peptide: what the research shows and how to read its COA.ComplianceAre peptides legal?How research-use-only sales are treated and what FDA warning letters say.QualityWhat is a COA?A certificate of analysis explained, with the retatrutide, MOTS-c and SS-31 lot reports.QualityPeptide purityWhat 99% HPLC purity means, how it differs from peptide content, and what EU rules say.QualityPeptide testingWhich tests exist, what a full panel covers, and how to judge a testing lab.QualityBuying retatrutide for researchWhat to verify before you order: lot-specific COA, mass match and red flags.RegulatoryRetatrutide’s FDA approval statusThe 2027 filing timeline, and what “investigational” actually means.ComparisonRetatrutide vs semaglutide and tirzepatideApproval status, brand names and developer, compared side by side.ResearchRetatrutide’s half-lifeWhat the published trial data shows, and what it does not.DirectoryList of peptidesAn A-Z directory: identity, FDA status and sourcing for 35 compounds.GLP & metabolicCagrilintideFDA status, chemistry and the CagriSema filing explained.ComparisonCagrilintide vs retatrutideHow their FDA filing stages and status compare.NootropicSelankApproved in Russia since 2011, not FDA-approved in the US.

Quality & testing

Every batch, tested twice.

Purity claims are easy to make and hard to prove. We publish the proof: each production batch is tested in-house, then verified by an independent US laboratory before it ships.

View lab results

PEPTRYNCertificate of Analysis

ProductRetatrutide · 10mg

BatchPT-2606-114

MethodHPLC-UV-MS

Purity99.6%

IdentityConfirmed

Tested byIndependent US lab

Ordering

How ordering works

Now accepting card payments. We also support Zelle, CashApp, and crypto (USDT) for those who prefer them. Every order is backed by our reship-or-refund delivery guarantee.

Questions

Before you order

How do I verify a batch’s purity?

Scan the QR code on your vial, or open Lab Results and search the batch number printed on the label. The full third-party COA is published for every batch.

How fast is shipping?

Orders confirmed before 2pm ET ship the same day. Standard shipping is $9.99 and free over $150; most US orders arrive in 2–4 days with tracking.

What if my order doesn’t arrive?

Every order includes tracking and a delivery guarantee — if a package is lost or damaged in transit, we reship it or refund you in full.

Read the full FAQ →

Stay stocked

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Home

Research peptides with proof of purity.

Shop by research area

Research blends

GLP & metabolic

Mitochondrial & metabolic

Regenerative & tissue repair

Currently available peptides

Retatrutide

MOTS-C · 40mg

Glow Blend · 70mg

Klow80 Blend · 80mg

BPC-157

TB-500

Semaglutide

Wolverine

GH & metabolic peptides

Tirzepatide

CJC-1295 Without DAC

Ipamorelin

Sermorelin

Tesamorelin

NAD+ · 1000mg

GHK-Cu (Copper Peptide)

5-Amino-1MQ

More research compounds

Epitalon · 50mg

Glutathione · 1500mg

SS-31 (Elamipretide)

Bacteriostatic Water

Source-checked research guides

Every batch, tested twice.

How ordering works

Before you order

10% off your first order

Research Access Only