WholeSalePeptideStore supplies research clinics, laboratories, universities, independent researchers, resellers and distributors who need peptides in bulk. We are also the official wholesale supplier to reta-uk.com and buyreta.com, providing the stock behind their retail ranges.

Yes. Every price shown on the site is already a wholesale price, supplied in kits of 10 vials. There is no account, application or approval needed, just add to cart and check out.

Every product is supplied as a kit of 10 vials. The price shown on each product is the price for the full 10-vial kit.

Every compound is research grade with a minimum of 99% purity, verified by HPLC and mass spectrometry and confirmed by independent third-party testing.

Yes. Every batch is independently tested and ships with a Certificate of Analysis documenting identity, purity and concentration, so you and your own customers can verify quality before use.

All our peptides are synthetic, produced by solid-phase peptide synthesis and freeze-dried. This gives precise control over sequence and purity, with no contaminants from animal or human sources.

Store lyophilised vials in a freezer at -20°C or below, sealed, dry and away from light. Once reconstituted, keep the solution refrigerated at 2°C to 4°C and use within roughly 2 to 4 weeks. Do not refreeze a reconstituted peptide.

Your order contains only the peptide vials listed on the product page. Reconstitution kits, bacteriostatic water and laboratory supplies are not included unless stated.

Orders placed before our daily cut-off are dispatched the next business day, Monday to Saturday. Orders placed on Sundays or bank holidays ship on the next working day.

UK orders are sent by Royal Mail Tracked 24, which aims to deliver the next working day after dispatch. International orders are sent tracked, with times varying by destination. Every order is fully tracked.

Shipping is free on all orders. Every order is sent fully tracked.

Yes. International orders are sent tracked at no extra cost. The buyer is responsible for ensuring the items may lawfully be imported into the destination country and for any customs duties or import charges that may apply.

As soon as your order is dispatched we email you a tracking number and link. If you have an account, you can also view your order status there.

You may request a return within 14 days of receiving your order, provided the items are unopened, unused and in their original sealed packaging. For safety and product-integrity reasons we cannot accept opened vials or items with broken or tampered seals.

Once we receive and inspect a returned item, we issue your refund to the original payment method and email you when it is processed.

Contact us within 48 hours of delivery with your order number and clear photos. We will arrange a free replacement or a full refund. Missing items are reshipped free of charge.

We can only reship a parcel once it is returned to sender. If you notice the mistake in time, contact the carrier or your local post office to reroute the package or set up forwarding to the correct address.

All peptides and products are supplied strictly for laboratory and scientific research use only. They are not for human or animal consumption, and we do not provide dosing, handling or usage instructions. All products must be handled by qualified professionals in a suitable laboratory environment.