Searches for bulk research peptides usually mean one of two things: a laboratory that needs several vials of the same material for a defined programme, or a buyer hoping that quantity buys a lower price without buying weaker paperwork. This page sets out how NorthScientific handles both, plainly. Nothing here is usage, dosing or outcome guidance; every material we supply is for laboratory research only and is not for human or veterinary consumption.
How multi-vial pricing works here
Every price in the catalogue is the total payable for one vial, with UK tracked delivery included. Quantity is priced across the whole order rather than per product: an order of three or more vials, whichever materials they are, is discounted by 5%, and an order of ten or more vials by 10%. The discount is applied automatically in the basket and on the Stripe payment page; there is no code to find and no threshold hidden in the checkout. Two vials of BPC-157 and one of TB-500 is a three-vial order and is priced as one.
Each product page also shows the price per milligram of fill weight, so a 5 mg vial and a 10 mg vial of different materials can be compared on the same basis. Fill weight is the mass of lyophilised powder sealed in the vial, not net peptide content; the difference is explained in purity vs net peptide content.
What does not change with quantity
The material. A ten-vial order is drawn from the same UK-held stock as a single vial, in the same crimp-sealed glass vials with the same labels, dispatched the same way: tracked, on working days, the same day for orders placed before 14:00 where stock allows. We do not hold a separate “wholesale” grade, and we do not describe any material differently because more of it is being ordered.
The documentation. We do not publish independent third-party analysis for the material we hold, at any quantity, and we say so on every product page rather than imply otherwise. What we publish is what the material is: name, sequence where it is a single defined peptide, identifiers, format, fill weight and storage conditions. If your programme needs a batch-specific assay, that is a check to make before ordering in volume from anyone, including us, and our guides to reading a certificate of analysis and RP-HPLC versus mass spectrometry explain what such a document should contain.
What to check before scaling any order
- Who you are buying from. A named legal entity you can look up. NorthScientific is a trading name of KF01 LTD, company number 17130830, and the registered office is in the footer of every page.
- Where the stock is. UK-held stock means lead time is measured in days and the parcel never sits in a customs queue. Import “wholesale” cartons can look cheaper per vial on a spreadsheet; the weeks in freight and the absence of a UK entity to hold responsible are the costs that do not appear on it.
- What the label says. Product name, format and fill weight are what we describe at the point of sale and what the goods must match. Check the vials against the order on arrival, as our shipping page asks.
- Storage on arrival. Several vials need the same conditions as one: −20 °C, protected from light, seals intact until use. See lyophilised peptide storage.
The UK supplier checklist applies to every vendor, including us. Run it before the first order, not after the tenth.
When a catalogue order is enough, and when to email
For the quantities most laboratories actually order, a multi-vial catalogue order is the whole answer: add the vials, the discount applies, the order leaves UK stock the same working day where stock allows. Live stock is shown on every product card, so if a quantity is not available the basket says so before you pay rather than after.
For a larger programme, a quantity beyond what is shown in stock, or a written quote against a named material and vial count, email info@northscientific.co.uk with the SKU list and the number of vials. We will answer with what we can supply, when, and at what price, on the same terms as the catalogue.
What we will not do
We do not sell research peptides for human use, and we do not discuss protocols, reconstitution for administration, or claimed effects in people. Volume does not change that. If a quote request is for anything other than laboratory research use only, we will decline it.
Materials referenced: BPC-157 · TB-500 · BPC-157 + TB-500 blend · full catalogue
Everything NorthScientific supplies is for laboratory research use only. Nothing on this page is dosing, preparation, administration or usage guidance, and nothing we sell is for human or veterinary consumption.