Frequently Asked Questions
Find answers to common questions about ordering, shipping, and our products
Ordering & Payments
We accept major credit cards (Visa, Mastercard, American Express), PayPal, Shop Pay, and Google Pay (GPay).
Yes. We use industry-standard SSL encryption and PCI-compliant security measures to protect your information.
Orders may be modified or canceled within 2 hours of placement. After this window, we cannot guarantee changes.
Shipping & Delivery
Yes — free standard shipping is available on all domestic U.S. orders over $200.
Orders ship the next business day after placement and typically arrive within 3–5 business days.
Not yet — we currently ship within the United States only. International shipping will be available in the future.
Yes. All orders are shipped in plain, unmarked packaging with no external indication of contents.
Product Information & Research Guidelines
Product Quality, COAs & Janoshik Testing
Yes. Every batch undergoes rigorous third-party testing using HPLC and mass spectrometry.
Janoshik Analytical is an independent ISO-accredited laboratory specializing in peptide and pharmaceutical analysis.
All PEPX Labs peptides consistently test at ≥99% purity. Each product listing includes verified purity results.
Yes. COAs are available on each product page and are included with every batch.
We never release products without complete third-party results. Occasionally, labs experience high volume or processing delays, which may postpone posting updated COAs.
Research Use & Compliance
No. All products are strictly For Research Use Only and are not intended for human consumption.
Products are available to qualified researchers, academic institutions, and licensed laboratories conducting controlled scientific studies.
No. We do not provide medical guidance, dosing instructions, or usage recommendations.
Storage & Handling
Store unopened vials in a cool, dry, dark place away from heat and direct sunlight.
Once reconstituted, peptides should be kept sealed, refrigerated, and handled using proper laboratory research practices.
Use sterile bacteriostatic water containing 0.9% benzyl alcohol. Pharmaceutical-grade BAC water is recommended for research preparation.
Support & Contact
Email us anytime at pepxlabs@gmail.com. Our support team typically responds within 24 hours.
Due to the nature of research chemicals, we cannot accept returns on opened items. Unopened items may be reviewed for eligibility.