USA-Tested Research Peptides · FREE 2-DAY SHIPPING on orders $149+ · Third-party tested, every lot
USA MADE THIRD-PARTY TESTED

Premium peptides for
precision research.

High-purity research materials, made and tested in the USA — with fast, dependable shipping.

Independently third-party tested Made & assayed in the USA Fast, secure shipping
★★★★★ Trusted by 100,000+ researchers

99%+ Purity

Quality-focused materials

Third-Party Tested

Independent batch testing

Fast U.S. Shipping

Tracked and dependable

U.S.-Based Support

Helpful service, Mon–Fri

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Certificate of Analysis
Research peptides, documented

Every compound comes with its paperwork.

Prime Labs supplies premium-grade reference peptides to researchers across the United States. Every compound is backed by quality-focused handling and accessible certificate-of-analysis documentation.

Transparent research documentation Quality-focused handling & fulfillment Reliable U.S.-based support

These statements have not been evaluated by the FDA. Products are not intended to diagnose, treat, cure, or prevent any disease, and are for laboratory research use only.

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Best-selling research compounds

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Verified, batch by batch

Purity you can verify — every lot.

We continuously lab-test our products to confirm ≥99% purity with no contaminants or heavy metals — and we ship fast to U.S. customers, with transparent documentation on every batch.

99%+
Purity standards
3
Quality checkpoints
U.S.
Based support
Prime Labs batch testing environment
Quality verifiedDocumentation available
Batch-level COAsIdentity, purity, consistency

Same-Day Shipping

Orders before 12pm EST (M–F)

On-Time Delivery

Tracked across U.S. orders

Standards Matter

Disciplined batch testing

U.S.-Based Support

Products, shipping & docs

Support & information

Frequently asked questions

Answers to common questions about products, testing, shipping, and research use.

Prime Labs vials
Made in the USA

Backed by data — not just claims.

Premium-grade research materials supported by documented quality standards and dependable U.S.-based service.

99%
Purity you can trust
Research
Grade & use only
Reliable
Every batch
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★★★★★MADE IN THE USA
Prime Labs vials
COA Library

Verify any lot in seconds.

Enter the lot number printed on your vial to pull its third-party certificate of analysis — identity and purity, confirmed independently.

COA