Midwestern Peptides
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NAD+ 500mg research vial beside a mountain lake

North Dakota · Est. 2026

Trusted US supplier of lab-tested peptides.

Every lot tested by an independent US lab for HPLC purity and mass-spec identity. Certificates available on request.

Shop Peptides Research Library
Healing PeptidesTissue RecoveryGrowth HormoneGLP-1 AgonistsNootropicsAnti-aging

Tested Before Release

Every batch certified by an independent lab before shipping

50+ Compounds

Wide research catalog, restocked regularly

≥98% Purity, Every Batch

HPLC and mass spec verified on every lot

Featured peptides

Research compounds our customers reorder most. Every lot is HPLC-tested and shipped with its certificate of analysis.

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TB-500
Healing Peptides

TB-500

3rd-party testedCOA≥98% purity

$40.00USD

Ipamorelin
Growth Hormone

Ipamorelin

3rd-party testedCOA≥98% purity

$20.00USD

GHK-Cu
Healing Peptides

GHK-Cu

3rd-party testedCOA≥98% purity

$20.00USD

Tesamorelin
Growth Hormone

Tesamorelin

3rd-party testedCOA≥98% purity

$40.00USD

Shop by research area

Six categories covering repair, metabolic, cognitive and longevity research. Every compound is lab-tested and shipped with its certificate.

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Healing PeptidesTissue repair and wound-healing research
Tissue RecoveryMuscle and connective tissue models
Growth HormoneGH secretagogues and fragments
GLP-1 AgonistsMetabolic and receptor agonist studies
NootropicsCognitive and neuroprotective research
Anti-agingLongevity and cellular energy compounds

Quality standards

What every order goes through before it leaves the lab: independent testing, cold-chain handling, and a lot number you can trace.

Understanding COAs

Independent testing

Every lot verified by an accredited external lab: HPLC purity, mass spec identity, and endotoxin testing on every batch. Not spot checks.

Cold-chain shipping

Lyophilized peptides shipped in insulated packaging. Overnight available. Plain outer packaging with no product identification.

Full batch traceability

Lot numbers on every vial. COA for your lot available on request by email. Track your peptide from synthesis date to your door.

From the research library

Plain-language write-ups of what the published literature actually says: mechanisms, handling, and how to read a certificate of analysis.

Read the Library
11 min read

The State of Peptide Research in 2026

Peptide research has accelerated significantly over the past decade. This overview covers the current landscape of published research, emerging areas of scientific interest, and the regulatory environment.

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6 min read

What to Look for in a Research Peptide Supplier

Not all peptide suppliers are equal. This guide outlines the key criteria researchers should evaluate: third-party testing, COA availability, purity standards, and transparent business practices.

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5 min read

Our Testing & Quality Standards

Every batch of peptides at Midwestern Peptides undergoes independent third-party testing. This article explains our testing methodology, the labs we work with, and how to verify your COA.

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Research updates

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Batch releases, restock notifications, and new COA alerts. No spam.