Shop All Research Compounds

Buy research peptides online: every compound in the Peplogy catalog is third-party tested, ships with a lot-matched COA, and is dispatched the same day on orders by 2 PM ET.

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Products

Buy Research Peptides Online in the USA

Peplogy is a US supplier of research peptides and research compounds for laboratories and qualified researchers. Our full catalog covers more than 70 products: single research peptides in lyophilized vials, pre-formulated peptide blends, oral research capsules, ready-to-use nasal sprays and topical research serums, each listed with its strength, format and lot documentation.

What's in the Peplogy Catalog?

How to Find the Right Research Compound

Use the filters to narrow the catalog by collection (Research Peptides, Peptide Blends, Metabolic, GLP-1 & Multi-Agonists or Bioregulators), set a maximum price or show in-stock products only. Every product page lists the available strengths, the per-capsule dose or spray concentration, storage conditions and the research areas the compound is studied in.

Research Peptide Formats Explained

Lyophilized (freeze-dried) vials are the most stable format for storage and let researchers prepare their own solutions. Capsules give a fixed amount per capsule for oral-format studies. Nasal sprays and serums arrive ready to use, with no reconstitution step.

Purity Testing and Certificates of Analysis

Peptide vials show the lot's purity by reverse-phase HPLC, with identity confirmed by mass spectrometry and endotoxin screening by an independent HPLC-MS laboratory. Published certificates of analysis are collected in our COA library and can be searched by product or lot number, and each product page shows whether the current lot's COA is available.

Fast US Shipping on Research Peptides

We ship to US addresses only, Monday through Thursday, with same-day dispatch on orders placed by 2 PM ET. Orders of $150 or more ship free within the US (free shipping does not apply to Alaska and Hawaii). Volume pricing is applied automatically in the cart: 8% off 3 or more of the same product and 12% off 5 or more, with different strengths counted together.

Larger and Recurring Orders

Labs that order the same compounds regularly save automatically through volume pricing, and our Wholesale page covers larger or recurring supply. If an order arrives with a wrong, damaged or missing item, contact us within 30 days of delivery for a free replacement or a full refund.

Why Researchers Choose Peplogy

We keep the catalog focused on compounds researchers actually study, list the research areas and lot documentation for each one, and answer questions through a US-based support team. Product pages, collection pages and the COA library are organized so you can compare strengths, formats and purity before you order.

For Research Use Only

Every Peplogy product is supplied strictly as a chemical reagent for laboratory investigation. Our products are not for human or veterinary use, and nothing on this site is medical advice.

Peer-reviewed studies on the research peptides in our catalog are indexed on PubMed, the research database of the US National Library of Medicine.

Answers

Frequently Asked Questions

Where can I buy research peptides online in the USA?

You can order every Peplogy research peptide online here. We ship to US addresses only, Monday through Thursday, with same-day dispatch on orders placed by 2 PM ET.

Do you offer free shipping?

Yes. Orders of $150 or more ship free within the US. Free shipping does not apply to Alaska and Hawaii.

Do you ship internationally?

No. At this time we only ship to addresses in the United States.

Do you offer bulk or volume discounts?

Yes. Volume pricing is applied automatically in the cart: 8% off 3 or more of the same product and 12% off 5 or more, with different strengths counted together. See our Wholesale page for larger or recurring orders.

Are your peptides tested for purity?

Peptide vial lots are tested by an independent HPLC-MS laboratory for purity by reverse-phase HPLC and identity by mass spectrometry, with endotoxin screening. Published certificates are in our COA library, searchable by compound or lot number.

What formats do you sell?

Lyophilized vials, pre-formulated peptide blends, 60-count research capsules, ready-to-use nasal sprays and 30 mL topical research serums.

What is your return policy?

Because of the sensitive nature of research materials, we cannot accept returns of items delivered correctly and in good condition. If an item is wrong, damaged or missing, contact us within 30 days of delivery for a free replacement or a full refund.

Are these products for human use?

No. Every Peplogy product is sold strictly as a chemical reagent for laboratory research and is not for human or veterinary use.