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Research use only
Accuracy, transparency, and respect for your work.
Every Heritage Labs peptide is third-party tested and verified for purity before distribution. We maintain strict production standards to deliver research-grade consistency without fillers or shortcuts.
Have questions?
Can I return my order if I change my mind?
Due to the nature of research compounds and in accordance with strict quality control, contamination prevention, and regulatory compliance standards, all sales are final. Once an order has been fulfilled, it cannot be returned, exchanged, or refunded.
We take product quality and integrity seriously — every item is produced, tested, and packaged under controlled conditions to ensure purity and quality. For this reason, returned products cannot be reintroduced into inventory.
If you believe you have received an incorrect or damaged item, please contact our support team within 48 hours of delivery so that we can review and resolve the issue appropriately.
For research use only” indicates that the peptides sold by Heritage Labs are not drugs or supplements and are not intended to diagnose, treat, or prevent any disease. They are meant exclusively for in vitro studies or preclinical lab work by professionals.
How Are Heritage Labs products shipped?
We ship orders within the United States using USPS. Completed orders received before 3pm ET are shipped the same day Monday – Friday excluding holidays. If you use CashApp or Zelle as your payment method, your order is complete after your payment is made.
Where can I find the testing results of a peptide?
Testing results for peptides, including Certificates of Analysis [COA], are posted on the product page of each peptide. We analyze and purchase COAs for peptides and peptide blends only.