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RPLT USA Research Peptides

Research Peptides. Lab Tested. USA.

Lab Tested Research Peptides, Delivered Across the USA.

A curated lineup of the most researched peptides in the country, including BPC-157, Tirzepatide, Semaglutide and GHK-Cu. Every vial is 99% pure or higher and comes with a Certificate of Analysis.

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Purity standard
99%+
With every vial
COA
Tracked shipping
50 states
Featured: BPC-157BPC-157, TB-500 and CJC-1295 research peptide vials on a lab bench

BPC-157 10mg

The most studied recovery peptide

$90

99%+ purity

Every vial is listed at 99% purity or higher.

Certificate of Analysis

Documentation included with each order.

Tracked, discreet shipping

Insured delivery to all 50 states.

Secure checkout

Orders handled by ProLongevity Peptides.

Best sellers

The most researched peptides in the US

Ranked by US search demand. Prices and stock update live from our store.

GHK-Cu copper peptide research vial Skin and Anti-Aging

GHK-Cu

Copper peptide for skin and collagen research

$90 USD

100mg

Shop now for GHK-Cu

More from the catalog

Browse all 22 peptides

Including NAD+, KPV, SS-31, PT-141, Kisspeptin and bacteriostatic water.

View catalog

How it works

From research to your lab in three steps

RPLT USA helps you choose. ProLongevity Peptides, our official store, handles checkout and shipping.

  1. 1

    Pick your peptide

    Compare the most researched compounds in the US, with vial sizes and live pricing right on this page.

  2. 2

    Check out at ProLongevity Peptides

    Tap Shop and you land on the exact product at our official store, where checkout is secure and fast.

  3. 3

    Track it to your door

    Orders are processed in 1 to 2 business days and typically arrive 2 to 5 business days after dispatch.

Start shopping
Research peptide vial on a sunlit surfaceResearch peptide vial next to laboratory glassware

Quality standards

Lab tested, documented, ready for research

Every peptide we list meets the same standard, so the only decision you make is which compound fits your study.

  • Purity of 99% or higher

    Each listing meets a 99% minimum purity standard.

  • Certificate of Analysis

    Documentation with your order to verify identity and purity.

  • Lyophilized for stability

    Freeze dried powder in sealed vials holds up in transit and storage.

  • Protected, discreet packaging

    Temperature sensitive items ship with protective materials.

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FAQ

Questions, answered

RPLT USA is a curated research peptide catalog for US researchers. We feature the most researched compounds and connect you to ProLongevity Peptides, our official store, for secure checkout and fulfillment.

Still have a question? Message the store team or call (786) 432-3315.

Ready to order?

Check out securely at ProLongevity Peptides. Free US shipping on orders over $150.

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For research use only. Not for human or veterinary consumption. Not a drug, food or supplement. Purchasers must be 18 or older and agree to the store's terms.