Black & White Peptides Ltd. Registered in England & Wales, company number 16876162.
B2B / Wholesale Portal
Wholesale & bulk research peptides, UK.
For research laboratories, academic groups, formulators, distributors and reseller partners. Build a wholesale selection from the full catalogue below, send it through, and we’ll come back with a bespoke quote and lead time. Janoshik HPLC-verified, batch-traceable, supplied strictly as research reagents.
How wholesale works with us
Every wholesale order is priced bespoke. No published rate cards. Once we have your selection we confirm stock and batch availability, then send you a written quote.
Build your selection
Use the catalogue below to set quantities for vials and pens. Search, expand, adjust.
Send it through
One click drops the whole selection into a WhatsApp message or an email, with your selection neatly formatted.
Stock & batch review
We confirm what’s on hand, what needs scheduling, and which batch will cover your full order.
Bespoke written quote
We send a confirmed quote and lead time. Pricing reflects mix, volume, supply cadence and any custom services.
You approve
Approve in writing. Nothing moves to payment until you’re comfortable with the terms.
Pay & dispatch
Settle via UK Faster Payments. Same-day or scheduled dispatch with a confirmed cold-chain handover.
Aftercare & resupply
Real human contact for follow-up, retests, and any standing-order cycles you want planned.
- All wholesale pricing is bespoke. Every order is reviewed individually and the final quote depends on product mix, requested volumes, supply cadence and any custom services. Tell us what you need below and we’ll finalise the numbers with you.
Build your wholesale order
Set quantities with the +/− controls. The summary on the right tracks your selection. When you’re ready, click Send WhatsApp quote and the entire list drops into a message to us.
Custom services for wholesale partners
Beyond the standard catalogue, we offer a range of custom services for qualifying volumes. Tell us what you’re working towards and we’ll scope it.
Custom fill weights
Bespoke vial fills outside the standard 10 / 20 / 30 / 60 mg ladder. Fractional fills available for assay-development use.
Custom multi-peptide blends
Beyond KLOW, we’ll scope bespoke blends with each component HPLC-verified individually plus blend-stability data on request.
Bespoke vial labelling
Your facility name, programme code, or internal batch reference printed alongside the standard compound + dose label.
Scheduled supply
Standing orders on monthly, quarterly or per-protocol cadence with reserved batch capacity for continuity.
Pre-shipment retest
Independent HPLC re-verification of the dispatch batch on request, with the re-test certificate added to the COA pack.
Stability data on request
Lyophilised stability data for the specific batch, where available, shared under NDA for institutional partners.
What every wholesale order includes
Beyond the compound itself. Standard on every B2B order, regardless of order size.