GLP-1 Peptide
RETATRUTIDE (RETA)
from $105.00
Research-Grade Peptides
Third-party tested. Lot-matched COAs. For laboratory use only.
99%+
HPLC / MS verified purity
100%
Lots third-party tested
5000+
Researchers served
7
Testing layers per lot
#1 Research Peptide
Retatrutide
Our best-selling triple-agonist research peptide — GIP, GLP-1 and glucagon receptor activity in a single lot-matched vial.
from $105.00
COA Certified
Every batch tested
99%+ Purity
Lab-verified
Same-Day Ship
Orders by 2PM EST
Secure Payment
256-bit encryption
USA-Based
Domestic sourcing
Shop the Catalog
The Research Catalog
76 research compounds across 9 categories — each synthesized to analytical standards and verified against a lot-matched Certificate of Analysis.
GLP-1 & Metabolic
5 products
Research Peptides
32 products
Research Compound
5-AMINO-1MQ
$80.00
Research Peptide
ADAMAX
$90.00
Research Peptide
AOD-9604
$60.00
Research Peptide
ARA-290
$82.00
Research Peptide
BPC-157
from $60.00
Research Peptide
CJC-1295 (NO DAC)
$110.00
Research Peptide
DIHEXA
$140.00
Sleep/Stress
DSIP
$55.00
Research Peptide
GHK-Cu (Copper Peptide)
from $50.00
Research Peptide
HUMANIN
$150.00
GH/Peptide
IGF-1 LR3
$85.00
Research Peptide
IPAMORELIN
from $40.00
Hormone
KISSPEPTIN-10
$60.00
Research Peptide
KPV
$60.00
Antioxidant
L-GLUTATHIONE
from $75.00
Research Peptide
MELANOTAN-1
$55.00
Research Peptide
MELANOTAN-2
$55.00
Research Peptide
MOTS-C
from $100.00
Research Peptide
NAD+
from $100.00
Research Peptide
P-21
$120.00
Nootropic
PE-22-28
$70.00
Hormone
PT-141
$60.00
Lab Supply
RECONSTITUTION SOLUTION 30 ML
$25.00
Research Peptide
SELANK
$65.00
Research Peptide
SELANK + SEMAX
$70.00
Research Peptide
SEMAX
$65.00
Research Peptide
SERMORELIN
$60.00
Research Peptide
SNAP-8
$55.00
Research Peptide
SS-31
from $70.00
Research Peptide
TB-500
$100.00
Research Peptide
TESAMORELIN
from $120.00
Research Peptide
THYMOSIN ALPHA-1
$125.00
Peptide Blends
6 products
Research Peptide
BPC-157 + TB-500 (Wolverine Blend)
$195.00
Research Peptide
CJC-1295 (NO DAC) + GHRP-6
$85.00
Research Peptide
CJC-1295 (NO DAC) + IPAMORELIN
from $90.00
Research Peptide
GLOW MIX
Blend ofGHK-CuBPC-157TB-500
$150.00
Research Peptide
KLOW BLEND
Blend ofKPVGHK-CuBPC-157TB-500
$200.00
Research Peptide
TESAMORELIN + IPAMORELIN
$140.00
Liquid Sprays
4 products
Dissolving Strips
3 products
Bioregulators
7 products
Research Bundles
12 products
Bundle
Bundle
ASCEND Bundle
$170.00
Bundle
Bundle
GLOW Bundle
$292.50
Bundle
Bundle
IMMUNO Bundle
$292.50
Bundle
Bundle
IRONCLAD Bundle
$247.50
Bundle
Bundle
KLOW ELITE Bundle
$283.50
Bundle
Bundle
METABOLIX Bundle
$220.50
Bundle
Bundle
NAD STACK Bundle
$346.50
Bundle
Bundle
NEURO Bundle
$153.00
Bundle
Bundle
PRIME Bundle
$315.00
Bundle
Bundle
PULSE Bundle
$153.00
Bundle
Bundle
REPAIR+ Bundle
$261.00
Bundle
Bundle
WOLVERINE Bundle
$171.00
Lab Supplies
1 products
Merch
6 products
Beyond Purity
What 99% pure doesn't tell you.
Purity testing measures one thing. We test for the four things it can't see.
Every peptide supplier publishes a purity number. But HPLC and mass spectrometry were never designed to detect contamination.
Toxic fragments left behind by dead bacteria.
Why purity testing misses them
HPLC and mass spec measure chemistry. Endotoxins are biological remnants — invisible to both.
Why it matters
Endotoxins trigger immune responses — corrupting research data before the experiment begins.
The absence of living microbial contamination.
Why purity testing misses it
Purity tests don't culture for bacteria, fungi, or yeast.
Why it matters
Microbial growth introduces unknown variables. We test every batch against USP sterility standards.
Lead, arsenic, mercury, and cadmium introduced during synthesis.
Why purity testing misses them
Heavy metals are inorganic. HPLC and mass spec are blind to them entirely.
Why it matters
Heavy metals accumulate in biological tissue and produce confounding effects in long-term studies.
Verification that every batch matches the last.
Why purity testing misses them
Spot-checking one vial per run is industry standard.
Why it matters
Reproducibility is the foundation of legitimate research. If batches drift, your data drifts with them.
Purity is the floor. Not the ceiling.
Shop by Research Area
Find Your Compound
Not sure where to start? Explore the catalog by the pathway you're researching.
01
Growth Hormone Research
Compounds studied for endocrine and somatotropic pathways.
Explore →02Metabolic Research
Peptides investigated in glucose regulation and metabolic function.
Explore →03Regenerative Pathway Research
Sequences researched in cellular regeneration models.
Explore →04Cellular Senescence Research
Compounds explored in cellular aging and senescence assays.
Explore →05Neurological Research
Peptides studied in neural signaling pathways.
Explore →06Cosmetic / Topical Research
Topically studied compounds in dermal applications.
Explore →Most Popular
Bestselling Compounds
The research peptides our customers reorder most — led by Retatrutide, Tirzepatide and Semaglutide.
GLP-1 Peptide
RETATRUTIDE (RETA)
from $105.00
GLP-1 Peptide
TIRZEPATIDE
from $100.00
GLP-1 Peptide
SEMAGLUTIDE
from $60.00
Research Peptide
BPC-157
from $60.00
Research Peptide
KLOW BLEND
Blend ofKPVGHK-CuBPC-157TB-500
$200.00
Research Peptide
BPC-157 + TB-500 (Wolverine Blend)
$195.00
Research Peptide
NAD+
from $100.00
Research Peptide
GHK-Cu (Copper Peptide)
from $50.00
Research Peptide
TB-500
$100.00
American-Owned · Built on Data
Synthesized, tested & shipped in the U.S.A.
Level Up Peptides is built on documented quality control — produced domestically, tested before release, and fulfilled same-day from our own facility.
Why Researchers Choose Us
The Standard in Research-Grade Peptides
Six commitments. Independently verified. Every one backed by a number, not a claim.
01
Independent 3rd-Party Testing
Every batch verified by Bioviridian.
99.7% avg purity · last 50 batches
02
Same-Day Shipping
Orders before 2PM EST ship same day.
2–3 days avg delivery · domestic
03
Damage & Error Coverage
Notify us within 72 hours for free replacement.
72 hours to report · free replacement
04
Made in the USA
Synthesized and packaged in GMP-compliant US facilities.
100% US synthesis · packaging · ship
05
Discreet Packaging
Plain unmarked outer box, generic return address.
Zero identifying marks · inside or out
06
Expert Support
Researchers on staff — not a script-reading call center.
< 6 hrs avg first response · weekdays
Verified byBioviridian HPLC-MS LabGMP Compliant FacilityFDA-registered US Manufacturer256-bit SSL Encrypted Checkout≤ 0.05 EU/mL Endotoxin Verified
The Testing Standard
Every batch survives 18 days of scrutiny before it's ever offered for sale.
Most sellers ship on a supplier's word. We put every single batch through seven independent layers of third-party testing.
01
Days · Sterility
USP <71> sterility testing runs a full 14-day incubation plus inspection.
02
Endotoxin Testing (LAL)
Bacterial endotoxins are invisible, heat-stable, and can invalidate an entire study.
03
Purity — HPLC
High-performance liquid chromatography confirms ≥99% purity.
04
Heavy Metals — ICP-MS
Screens for lead, arsenic, cadmium and mercury down to trace limits.
05
Identity — Mass Spectrometry
Mass spec confirms the molecular weight matches the exact peptide sequence.
06
Batch Consistency
Every batch is tested in full — never one sample tested once and the rest assumed.
07
Quantity Verified — Net Content
The milligrams on the label are the milligrams in the vial.
Independent third-party verified — every batch, no exception
Research Stacks
Featured Research Bundles
Curated multi-compound stacks — combined at a saving versus buying each vial individually.
Verified Lab Testing
Certificates of Analysis & Safety Data
Every compound is independently third-party tested, with a lot-matched COA and GHS-format SDS available for download.
RETATRUTIDE (RETA)
RETATRUTIDE + CAGRILINTIDE
SEMAGLUTIDE
TIRZEPATIDE
5-AMINO-1MQ
BPC-157
CJC-1295 (NO DAC)
GHK-Cu (Copper Peptide)
IPAMORELIN
MELANOTAN-2
MOTS-C
SELANK + SEMAX
SS-31
TESAMORELIN
BPC-157 + TB-500 (Wolverine Blend)
CJC-1295 (NO DAC) + GHRP-6
CJC-1295 (NO DAC) + IPAMORELIN
TESAMORELIN + IPAMORELIN
SELANK LIQUID SPRAY
NA-SEMAX AMIDATE LIQUID SPRAY
Melts Pro™ Selank + Semax Dissolving Strips
Why Level Up Peptides
A Standard You Can Verify
We publish the proof. Every product is backed by analytical testing and lot-level documentation.
Analytical Purity
≥99% purity verified by HPLC and mass spectrometry. Each lot is characterized before release.
COA on Every Lot
A lot-matched Certificate of Analysis documents identity, purity, and analytical results.
U.S. Manufacturing
Produced in the United States under documented quality control, then tested before any vial leaves the facility.
Answers
Frequently Asked Questions
Are these products third-party tested?
Yes. Every lot is tested for identity and purity before it ships, and a lot-matched COA is available for each product.
What does 'Research Use Only' mean?
All products are supplied strictly for laboratory and research use only (RUO). They are not drugs, foods, supplements, or cosmetics.
How fast do orders ship?
Orders placed before 12pm CT typically ship the same business day from our U.S. fulfillment center.
How should these compounds be stored?
Store lyophilized material at -20°C, protected from light and moisture. Once reconstituted, refrigerate at 2–8°C.
Do you provide a Certificate of Analysis?
Yes — a lot-matched COA is available for every product and every batch, documenting identity, purity, and analytical results.