Frequently Asked Questions

Orders placed before 2 PM EST Monday–Friday are processed and shipped the same day. Most domestic orders arrive within 2-4 business days.

Yes. All orders over $150 ship free via USPS Priority Mail (2–3 business days). Orders under $150 ship for a flat $19.99.

All orders ship in discreet, unmarked packaging with temperature-controlled insulation. Lyophilized products include cold packs during warm months to maintain stability.

We currently ship within the United States. International shipping is coming soon. Join our newsletter to be notified when we expand.

Absolutely. You'll receive a tracking number via email as soon as your order ships. You can also track orders from your account dashboard.

All of our peptides are guaranteed to be ≥99% purity. Every batch is independently verified by third-party HPLC analysis.

COAs are available on every product page. You can view them online or download the PDF. Each COA includes batch number, purity percentage, and testing methodology.

Lyophilized (powder) peptides should be stored at -20°C for long-term storage. Reconstituted peptides should be refrigerated at 2-8°C and used within 14 days. See individual product pages for specific guidance.

Bacteriostatic water (BAC water) is sterile water containing 0.9% benzyl alcohol. It's used to reconstitute lyophilized peptides. The preservative allows multi-use over up to 28 days.

Use our free Peptide Calculator at blackwellbiolabs.com/calculator. Enter your vial size (mg), select your compound, choose your BAC water volume, and set your target dose. The calculator instantly gives you the exact syringe mark to draw, total concentration, and number of doses per vial.

Yes, every single batch. We use independent, accredited laboratories for HPLC purity testing, mass spectrometry, and endotoxin analysis. We never self-certify.

We offer a 30-day money-back guarantee on all products. If you're not satisfied for any reason, contact us for a full refund, no questions asked.

Contact us immediately with photos of the damage. We'll ship a replacement at no cost, or issue a full refund, your choice.

Orders can be cancelled within 1 hour of placement. After that, orders enter processing and cannot be cancelled, but you can return the product under our 30-day guarantee.

We accept all major credit cards (Visa, Mastercard, Amex, Discover), Apple Pay, Google Pay, and select cryptocurrency options.

Absolutely. All transactions are encrypted with 256-bit SSL. We are PCI DSS compliant and never store your full card details on our servers.

Yes. Contact us directly for bulk orders of 10+ units. We offer tiered pricing for larger quantities.