Frequently asked

Short chains of amino acids (typically 2-50 residues) synthesized for in-vitro and pre-clinical investigation. They're used by licensed laboratories, academic institutions, and independent researchers to study receptor binding, cellular signaling, and structural biology under controlled experimental conditions. All compounds distributed by USA Warehouse Supply Co are intended exclusively for laboratory research and are not pharmaceuticals.

No. Every compound we distribute is classified as a research chemical and is sold strictly for in-vitro and pre-clinical research. Our products are not pharmaceutical-grade, are not approved by the FDA for therapeutic use, and have not been formulated, packaged, or labeled for administration to humans or animals. Every vial carries a 'Not for Human Consumption' designation.

A specific federal license is not required to purchase non-scheduled research peptides in the United States. By placing an order you affirm that you are 21 or older, that you are purchasing on behalf of a qualified research entity or as an independent researcher, and that the materials will be handled under appropriate laboratory protocols. We reserve the right to refuse orders that do not align with our terms.

HPLC (High-Somatotropic Liquid Chromatography) separates a peptide sample by molecular interaction and reports each detected peak as a percentage of total absorbance area. A 99% HPLC area % rating indicates that less than 1% of detectable material consists of truncated sequences, deletion fragments, or synthesis byproducts. Every USA Warehouse Supply batch is held to a 99.0% area % minimum, with the actual measured value disclosed on the batch-specific CoA.

Our company is wholly US-owned and operated from our Tampa, FL headquarters, with fulfillment from East Coast (Tampa) and West Coast (California) warehouses. Every batch is verified by independent third-party analytical laboratories located on US soil — we do not rely on overseas certificates of analysis as final QC documentation. The mark is a registered trademark of USA Warehouse Supply Co.

Pick your dose, pick a delivery cadence (4 / 8 / 12 weeks), and we ship automatically. You save 15% on every order, lock in current pricing, and can pause, skip, or cancel from your account at any time.

Yes. Change cadence, swap dose, or pause from your dashboard — changes apply to the next order. Subscribers also get lot continuity where possible: we batch your shipments from the same synthesis run when supply allows.

Tap 'Send Now' on your subscription card to bring your next order forward 24 hours. Charged at your locked subscription price, not full retail.

Every batch is independently tested by a third-party American lab (Sentinel Analytical NC, Meridian Bio-Verify CA, or Allegheny Peptide Analytics PA — rotating). CoA ships with the product and is mirrored in your account dashboard, signed by the lab analyst and watermarked.

≥99% HPLC area %, endotoxin <0.25 EU/mg, mass-spec confirmation against theoretical molecular weight within ±0.5 Da. Anything that doesn't hit spec doesn't ship — affected lots are quarantined and customers on those lots are proactively notified.

If a post-shipment audit or third-party retest indicates a batch falls below our published specs, we notify every account that received that lot and offer either a full refund or a replacement from a passing batch. Revised CoA goes into the public archive at /lab-results.

Orders before 2pm ET ship same business day. Free shipping over $150. Tracking number emailed at dispatch.

Whichever is closer — Tampa, FL serves everything east of the Mississippi; our California facility serves the West. The system also accounts for inventory depth and seasonal ambient temperature, so high-heat months may shift routing toward the cooler hub. Origin facility is listed in your shipping confirmation.

Cold-sensitive compounds ship in insulated mailers with reusable gel packs sized to the route and season. Partner-lab orders include a temperature data logger; logs are reviewed by our QC team on receipt confirmation.

All sales are final. Unopened vials with intact tamper-evident seals within 14 days, less a 10% restocking fee for QC re-verification, may be considered case-by-case. Opened, reconstituted, or tampered product cannot be returned. Damaged-in-transit: photo within 48 hours, same-day replacement, no return required.

No. All products are sold strictly for in-vitro and laboratory research by qualified professionals. Not for human consumption, not for veterinary use, not for any clinical application.

We ship to all 50 US states + DC only. No APO/FPO, no US territories, no international destinations, and we cannot ship to freight forwarders that re-export. This policy is final.