Vendor directory

All vendors

Showing 83 vendors with COAs on file. 166 indexable vendor pages. Sort and filter by COA volume, independent labs, measured purity, and how recently they have been tested.

Merit partnerships

14 partners

Glacier Aminos

Code MERIT · 10% off

99.8% median

Hydro Research Peptides

Code MERIT · 15% off

99.7% median

BioLongevity Labs

Code MERIT · 15% off

99.8% median

Orbitrex Peptides

Code Orbitrex10 · 10% off

99.7% median

Licensed Peptides

Code MERIT · 5% off

99.8% median

Peptide Crafters

Code CRAFTERS10 · 10% off

99.7% median

Mile High Compounds

Code merit · 10% off

99.7% median

Forge Performance Co.

Code MERIT · 10% off

99.7% median

Ignite Peptides

Code MERIT · 10% off

99.1% median

True Peptide

Code MERIT · 15% off

99.7% median

Southern Aminos

Code MERIT · 15% off

99.6% median

Crystal Peptides

Code MERIT · 10% off

99.4% median

Puratek Peptides

Code Meritverified · 10% off

99.8% median

S1 Research

Code merit · 10% off

99.6% median

83 results

Active vendors 55

Strong · 86

Active

Verified Peptides

🇺🇸

est. 2020

712 COAs · 1 lab · latest Sep 2026

Median purity 99.7%

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Strong · 99

Active

Peptide Partners

🇺🇸

Sheridan, WY

· est. 2014

368 COAs · 5 labs · latest Sep 2026

Median purity 99.7%

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Strong · 90

Active

Skye Peptides

🇺🇸

Los Angeles, CA

· est. 2023

350 COAs · 2 labs · latest May 2026

Median purity 99.7%

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Strong · 85

Active

Simple Peptide

🇺🇸

Delray Beach, FL

· est. 2023

275 COAs · 1 lab · latest Apr 2026

last tested 7 months ago

Median purity 99.7%

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Strong · 96

Active

BioLongevity Labs

🇺🇸

Akron, OH

· est. 2024

249 COAs · 3 labs · latest May 2026

Median purity 99.8%

Code MERIT · 15% off

Visit site

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Strong · 99

Active

Glacier Aminos

🇺🇸

Fort Collins, CO

· est. 2016

196 COAs · 7 labs · latest Sep 2026

Median purity 99.8%

Code MERIT · 10% off

Visit site

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Strong · 95

Active

Profound Aminos

🇺🇸

Minneapolis, MN

· est. 2025

186 COAs · 4 labs · latest Jun 2026

Median purity 99.8%

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Strong · 95

Active

Peptide Tech

🇺🇸

Sheridan, WY

· est. 2024

167 COAs · 6 labs · latest Jun 2026

Median purity 99.6%

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Strong · 95

Active

Orbitrex Peptides

🇺🇸

Flower Mound, TX

· est. 2025

143 COAs · 7 labs · latest Jun 2026

Median purity 99.7%

Code Orbitrex10 · 10% off

Visit site

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Strong · 95

Active

Reta One Labs

🇺🇸

Cypress, TX

· est. 2025

142 COAs · 3 labs · latest Oct 2026

Median purity 99.8%

Visit site

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Strong · 97

Active

Hydro Research Peptides

🇺🇸

Chicago, IL

· est. 2023

135 COAs · 3 labs · latest Sep 2026

Median purity 99.7%

Code MERIT · 15% off

Visit site

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Strong · 94

Active

Peptide Crafters

🇺🇸

116 COAs · 4 labs · latest Jul 2026

Median purity 99.7%

Code CRAFTERS10 · 10% off

Visit site

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Closed vendors 4

Limited · 45

Closed

Strate Labs

est. 2025

8 COAs · 1 lab · latest Jul 2026

Median purity 99.4%

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Limited · 46

Closed

MEI-PEPETIDE

🇨🇳

Qingdao

· est. 2025

4 COAs · 1 lab · latest Jul 2025

last tested 15 months ago

Median purity 99.7%

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Moderate · 53

Closed

Nox Amino

🇺🇸

est. 2026

4 COAs · 1 lab · latest May 2026

Median purity 99.7%

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Limited · 48

Closed

Taikangbio

🇭🇰

· est. 2026

3 COAs · 1 lab · latest Apr 2026

last tested 6 months ago

Median purity 99.8%

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Pending vendors 24

Strong · 95

Pending

Ion Peptide

🇺🇸

Alpharetta, GA

· est. 2025

694 COAs · 5 labs · latest Jul 2026

Median purity 99.7%

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Strong · 85

Pending

EZ Peptides

🇺🇸

Albuquerque, NM

· est. 2023

294 COAs · 1 lab · latest Jul 2026

Median purity 99.7%

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Strong · 82

Pending

Modern Research Peptides

est. 2025

107 COAs · 1 lab · latest Jul 2026

Median purity 99.7%

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Strong · 95

Pending

Sunrise Bioresearch

🇺🇸

Tucson, Arizona

· est. 2025

102 COAs · 3 labs · latest Oct 2026

Median purity 99.7%

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Strong · 88

Pending

Ruo Bio

🇺🇸

est. 2025

97 COAs · 2 labs · latest Sep 2026

Median purity 99.5%

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Strong · 94

Pending

Certified Peptides

🇺🇸

est. 2024

92 COAs · 5 labs · latest Oct 2026

Median purity 99.4%

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Strong · 90

Pending

Polaris Peptides

🇺🇸

Las Vegas, NV

· est. 2024

71 COAs · 2 labs · latest Jun 2026

Median purity 99.7%

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Strong · 98

Pending

Moglabs

🇺🇸

Sheridan, WY

· est. 2014

70 COAs · 4 labs · latest Sep 2026

Median purity 99.6%

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Strong · 89

Pending

Soma Peptides

🇺🇸

Murrieta, California

· est. 2024

62 COAs · 2 labs · latest Jun 2026

Median purity 99.7%

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Strong · 94

Pending

Nova Peptides

est. 2025

46 COAs · 3 labs · latest Jul 2026

Median purity 99.5%

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Strong · 86

Pending

optimasupply.is

46 COAs · 2 labs · latest Aug 2026

Median purity 99.5%

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Strong · 94

Pending

Arcane Peptides

🇺🇸

est. 2025

44 COAs · 3 labs · latest Sep 2026

Median purity 99.6%

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