What's on the label is the measured result — net peptide mass, not gross powder weight, plus RP-HPLC purity, on a lot-numbered COA for every batch.
Net peptide mass and RP-HPLC purity — a lot-numbered COA for every batch.
Net peptide mass + HPLC purity, per lot.
PCAC will review 7 peptides for the 503A bulks list, BPC-157, KPV, TB-500, MOTS-c, Emideltide, Semax, Epitalon. Read our briefing →
PCAC will review 7 peptides for the 503A bulks list. Read →
FDA PCAC reviews 7 peptides in July. Read →
PeptideXpo supplies 80+ research and cosmetic peptides to global compounding pharmacies, med-aesthetic brands, and research labs, with HPLC-verified purity and batch-specific COAs.
HPLC · Illustrative sample
BPC-157 · Batch PX-26-A0517
CAS
137525-51-0
MW
1419.55
MS
[M+H]+ 1420.6
80+
SKUs
Global
Shipping
<24h
Response
Documented batch release signals
Product Portfolio
From off-the-shelf research peptides to fully custom blends and private-label production, we manufacture, document, and ship under one quality system.
BPC-157, TB-500, Epitalon, Semax, MOTS-c and more, lyophilized, ≥99% HPLC.
Tirzepatide, Semaglutide, Retatrutide, Cagrilintide, Mazdutide blends.
GHK-Cu, Snap-8, Matrixyl, AHK-Cu, KPV, for med spa and beauty brands.
Sequence design, custom blends, private labeling, μg-to-kg scale.

Vial-filling line · Shanghai facility · captured on production day
Quality You Can Verify
Every shipment ships with the batch's Certificate of Analysis, HPLC purity, mass-spec identity, endotoxin, and microbial limits. Sequence verification and stability data available on request.
≥99%
Purity by HPLC + MS
100%
Batches with COA
<24h
First response
HPLC + Mass Spec on every batch, analytical methods aligned with USP <1225>.
LAL endotoxin + microbial limits for injectable-route applications.
Stability program, accelerated (40°C/75%RH) and long-term data on request.
See the paperwork
Released-batch COAs, each lot HPLC and mass-spec verified. These are previews — our sales team sends the full certificate for any product.
VerifiedRequest full COA →Tirzepatide
PXO-260428-TR-216 · 99.32%
VerifiedRequest full COA →Retatrutide
PXO-260428-RT-170 · 99.29%
VerifiedRequest full COA →Semaglutide
PXO-260428-SM-177 · 98.72%
VerifiedRequest full COA →BPC-157
PXO-260428-BC10-035 · 99.51%
VerifiedRequest full COA →TB-500
PXO-260428-TB10-195 · 99.31%
VerifiedRequest full COA →MOTS-c
PXO-260428-MS10-139 · 99.63%
VerifiedRequest full COA →GHK-Cu
PXO-260428-CU100-078 · 99.09%
VerifiedRequest full COA →CagriSema
PXO-260428-CS20-039 · 98.87%
Need the COA for a specific product? Tell us the product and we reply with the full batch certificate, plus sequence and stability data on request.
Built For Serious Buyers
We sell to organizations, not individuals, and we tailor documentation, packaging, and lead times to the way each buyer type actually operates.
503A / 503B aligned documentation, export-control-aware shipping, batch traceability via QR-linked COAs.
Cosmetic peptides, Lemon Bottle and Lipo-C blends, private label and OEM packaging.
Custom sequences, μg-to-kg scale, sequence verification, stability studies on request.
Tiered pricing, region exclusivity for qualified partners, dropship and bulk options.
By the Numbers
Every figure below is observable on this site, the catalog page, the product detail spec blocks, the case studies. Nothing rounded up, nothing aspirational.
80+
Peptide SKUs
Research, cosmetic, GLP-1, and custom-synthesis catalog across 10 categories.
≥99%
HPLC Purity
Verified per batch with mass-spec confirmation on every commercial release.
<24h
First Response
Average regulatory-team reply on RFQs, including pre-quote compliance review.
4
Buyer Categories
Compounding pharmacies, med-aesthetic brands, research labs, and distributors, each with a dedicated documentation playbook.
Most Requested
The SKUs our buyers ask about most often. Browse the full catalog for the rest.
GIP / GLP-1 dual receptor agonist
GIP / GLP-1 / glucagon tri-agonist
GLP-1 receptor agonist
15-mer
Body Protection Compound 15-mer
43-mer
Thymosin β4 fragment
3-mer
Copper tripeptide-1
4-mer
Pineal gland tetrapeptide
16-mer
Mitochondrial-derived peptide
7-mer
ACTH 4-10 analog · cognitive research peptide
Acetyl octapeptide-3 · cosmetic peptide
3-mer
Lys-Pro-Val α-MSH C-terminal tripeptide
GH-axis blend (CJC-1295 no DAC + Ipamorelin)
All products are supplied for research and commercial use in compliance with the buyer's local regulations. Pricing and MOQ on request.
Filling line · 30s walk-through
Captured on production day · for the full facility walkthrough see our Facility page.
Manufacturing & Capacity
PeptideXpo runs an end-to-end peptide manufacturing operation in Shanghai, from synthesis and HPLC purification through lyophilization, vial filling, and packaging, across multiple parallel lines under ISO 7/8 cleanroom conditions.
End-to-end
Synthesis · Purification · Lyophilization · Vial filling, all in-house.
ISO 7 / 8
Cleanroom grades for filling and packaging.
Pilot → Commercial
From gram-scale pilot lots to multi-kilogram commercial campaigns.
10 vial / box
Custom packaging, labeling, and inserts available.
Custom Synthesis & OEM
Whether you need a private-label re-pack of a catalog item or a fully custom blend with non-standard modifications, our R&D and production teams quote within 24 hours and ship under one quality system.
Tier 01
Catalog items, your brand, your packaging.
Lead 7–14d
Tier 02
Specify mg per vial, blend ratios, excipients.
Lead 14–21d
Tier 03
From sequence design to lyophilized vials.
Lead 21–45d
Tier 04 · Pilot
Pre-clinical batches under regulated workflow.
Lead 60–90d · SOW
Customer Stories
Anonymized accounts drawn from real PeptideXpo engagements, every name, geography, and number removed or rounded, but the procurement structure, timeline, and outcome preserved.
A US Northeast compounding pharmacy was running its whole GLP-1 program on a single bulk-active vendor and feeling every wobble in that vendor's lead time. Bringing PeptideXpo on as a documented second source — not a replacement — gave the dispensing schedule slack it had never had.
Role for PeptideXpo
Qualified second source
Single-vendor dependency
Removed
Read the story
A multi-location EU aesthetic group had the brand and the patients but no formulation or regulatory capability to take its in-clinic GHK-Cu protocol onto a retail shelf. PeptideXpo's OEM workflow carried it from brand brief to a launch-ready finished product.
Engagement type
Finished-goods OEM
Brief → first shipment
Inside the marketing window
Read the story
A regional distributor was watching margins erode because every competitor sourced the same generalist catalog from the same wholesalers. Building a documentation-backed peptide line with PeptideXpo, on a forecast-based supply arrangement, gave it a position the others couldn't simply re-buy.
Shift
Commodity catalog → documented line
Competitive moat
Structure rivals can't re-buy
Read the story
In Their Words
Paraphrased composites drawn from real procurement engagements , buyer identity removed at their request, attribution kept at the role + buyer-type level. Original engagement details on the linked case-study pages.
We weren't looking to fire anyone — we were looking to stop having a single point of failure in front of patients. Qualifying PeptideXpo as a second source to the same paperwork standard is what gave the schedule its breathing room.
Director of Procurement · US Northeast compounding pharmacy
United States · Northeast
Read the full story
Everyone else wanted to do part of the molecule.
Head of Chemistry · pre-clinical biotech
United States · Pre-clinical biotech
Read the full story
The thing we couldn't compromise on was documentation our reviewers and our protocol committee would accept — for a sequence that isn't in any database, the tandem-MS sequence confirmation mattered as much as the purity number.
Principal Investigator · academic neuroscience laboratory
United States · Academic medical center
Read the full story
Our whole catalog was a commodity because everyone bought from the same place we did. A documented peptide line on a supply arrangement our competitors can't just re-order is a position, not a product.
Country Manager · Southeast Asia distributor
Southeast Asia · multi-country
Read the full story
Insights & Regulatory
Tell us the product, spec, or regulatory question. The same regulatory team that answers buyer technical questions replies, by email or WhatsApp, usually within 24 hours, with COA, HPLC/MS spec, and stability data on request.
A first reply within 24 hours · Catalog · Sample COA · MOQ · Lead time. Our regulatory and sales teams read every inquiry before any price goes out.