Research-grade peptides you can verify
High-purity compounds for scientific research — third-party tested on every batch, with public Certificates of Analysis you can check before you buy.
- 99%+ purity
- ·
- Third-party tested
- ·
- Same-day shipping before 12pm
- ·
- Free US shipping over $100
Money-Back Guarantee — if we don't meet the highest quality standard, you get a full refund. No questions asked.
Research peptides
Lab-tested research peptides — COA available for every batch
View all Research peptides
Metabolic & weight management
Lab-tested metabolic & weight management — COA available for every batch
View all Metabolic & weight management
Tissue repair & recovery
Lab-tested tissue repair & recovery — COA available for every batch
View all Tissue repair & recovery
The RAC Standard
Our commitment to excellence ensures every compound meets the highest scientific benchmarks for research integrity.
Precision Lyophilization
Advanced freeze-drying techniques preserve molecular stability and extend shelf life for your critical research applications.
Verified Purity, or Your Money Back
Every batch undergoes HPLC and Mass Spectrometry testing for ≥99% purity, with the certificate posted publicly. If a batch ever misses, we refund you in full — no questions.
Same Day Fulfillment
Orders placed before 12pm are processed and shipped same-day from our domestic warehouse via climate-controlled courier.
Get 20% off your first order
Join the list for 20% off your first order, plus restock alerts and new Certificate of Analysis releases. No spam — just lab reports and availability.
Frequently Asked Questions
Questions before you order? Text our research team
Purity, COAs, shipping, payment — ask anything and get a real answer within minutes.
TEXT US: +1 (312) 210-5030support@racpeptides.com




