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  • COA available · Certificate of analysis per batch
  • ≥98% purity · Verified by HPLC
  • USA made · Third-party verified
  • Same-day dispatch · On orders placed before cut-off
  • Free shipping over $175 · Applied automatically at checkout

For laboratory and research use only. Not for human or veterinary use.

USA-made · Third-party tested · Research use only

Buy Research Peptides Online: USA Made & Lab Tested

167 research compounds across 8 research areas — each made in the USA, third-party verified to at least 98% purity by HPLC, and released against a certificate of analysis. Supplied strictly for in-vitro laboratory research.

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167
Research compounds
8
Research areas
≥98%
Purity, verified by HPLC
Every lot
Certificate of analysis available

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HGH 191AA 36IU

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View compound Cellular & Longevity Research Peptides

  • COA available Certificate of analysis per batch
  • ≥98% purity Verified by HPLC
  • USA made Third-party verified
  • Same-day dispatch On orders placed before cut-off
  • Free shipping over $175 Applied automatically at checkout

Browse by research area

167 compounds across 8 research areas, each supplied for laboratory research use only.

Best sellers

The compounds researchers order most, by volume shipped. All in stock, all third-party tested.

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The full catalog

Every compound we supply, grouped by research area, with anything not yet assigned to one listed at the end. All for laboratory research use only.

Musculoskeletal & Growth Factor Research Peptides

38 products

Metabolic & Incretin Pathway Research Peptides

33 products

Cellular & Longevity Research Peptides

22 products

Tissue Repair & Regeneration Research Peptides

22 products

Neuropeptide & Neuroendocrine Research

12 products

Reproductive & Endocrine Research Compounds

7 products

Dermatological Research Peptides

5 products

Melanocortin Research Peptides

2 products

Additional research compounds

42 products

Not a research area. These compounds are not yet assigned to one, and are listed here so the catalog is complete.

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Why researchers buy here

StandardWhat it meansEvidence
Certificate of analysisIssued per batch, recording accession number, lot, net peptide content and measured purity.130 of 167 compounds
PurityMeasured rather than asserted, and printed on the certificate.≥98% by HPLC
Independent testingAnalysis carried out by outside laboratories, not in-house.Third-party issued
OriginSynthesised domestically and dispatched from a US facility.USA
DispatchOrders placed, paid and processed before the daily cut-off ship the same business day.Same business day
ShippingApplied automatically at checkout on qualifying orders.Free over $175

Published, not promised

What every batch is put through

Six commitments, each one measured and recorded on the certificate that ships with the lot.

  1. Independent third-party testing

    Batches are analysed by outside laboratories, not in-house. Certificates on this site are issued by Freedom Diagnostics, Janoshik and JuChromate.

    3 labs issuing certificates

  2. Purity measured, not asserted

    Purity is determined by high-performance liquid chromatography with UV detection, coupled to mass spectrometry. The figure is printed on the certificate.

    ≥98% by HPLC, every batch

  3. A certificate you can read

    Each one records the accession number, lot, net peptide content, measured purity and the chromatogram it came from.

    130 of 167 compounds documented

  4. Made and shipped in the USA

    Material is synthesised domestically and dispatched from a US facility. Nothing is drop-shipped from an overseas supplier.

    USA synthesis and dispatch

  5. Same-day dispatch

    Orders placed, paid and processed before the daily cut-off ship the same business day. Free shipping applies automatically over the threshold.

    Free over $175 applied at checkout

  6. The whole range, documented

    Every compound is listed with its format, strength and research target. Nothing is held back behind an enquiry form.

    167 / 8 compounds / research areas

View the certificates

Blends and combinations

Multiple compounds in a single vial, each stating its constituents and their quantities.

View all blends

Bulk and wholesale pricing

Individual and wholesale pricing are both available. Larger pack sizes carry a lower price per unit. The quantity is shown on each product page. For larger volumes, contact us directly and we will quote.

Request bulk pricing

  • Quantity pricing Larger pack sizes are priced lower per unit across the catalog.
  • Wholesale accounts Institutional and repeat-volume pricing, quoted per enquiry.
  • Every batch documented A certificate of analysis accompanies the lot, at any order size.

How material is tested

Research data is only as good as the compound it came from. Three things establish what is in the vial.

  1. Purity by HPLC

    High-performance liquid chromatography separates a sample into its components, establishing how much of the material is the intended compound and how much is anything else. Catalog material is tested to at least 98%.

  2. Lot-matched certificate

    Results are recorded against the manufacturing lot they came from. A certificate covers the batch named on it and no other, which is what makes it evidence rather than a general assurance.

  3. Third-party verification

    Testing is carried out independently of manufacture, so the party making the claim is not the only party checking it. Material is US-made and shipped domestically.

About certificates of analysis

Frequently asked questions

Is a certificate of analysis available?

Every batch is tested to at least 98% purity by HPLC and a certificate of analysis is available for the lot supplied. Contact us for the certificate covering a specific lot.

How should these compounds be stored?

Store sealed lyophilised vials frozen and protected from light. Reconstitute in the laboratory before study using a suitable diluent such as bacteriostatic water, and keep reconstituted material refrigerated.

When do orders ship?

Orders placed before the daily cut-off are dispatched the same business day from a US facility. Free shipping applies to orders over $175.

Can these compounds be used in humans or animals?

No. Every product is supplied strictly for laboratory and research use. They are not drugs, foods, cosmetics or dietary supplements, are not approved by the U.S. Food and Drug Administration, and are not for human or veterinary use or consumption.

Research

All research articles

Research use only

All products sold by Peptides Source are intended strictly for laboratory and research purposes and are NOT for human or veterinary use. These products are not drugs, foods, cosmetics or dietary supplements, are not approved by the U.S. Food and Drug Administration, and are not intended to diagnose, treat, cure or prevent any disease.

By purchasing, you certify that you are a qualified researcher or institution and that you will handle all products in accordance with applicable laws and good laboratory practice.

© 2026 PeptidesSource. All rights reserved. For laboratory research use only.

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