Next-day UK tracked dispatchLab tested · ≥98% purityFor research use only · 18+
RNR PEPTIDES

Delivery & Returns

Last updated 5 November 2026

Delivery

  • We deliver to addresses in the United Kingdom only.
  • All orders are sent by tracked delivery. You receive tracking details once your order is dispatched.
  • Tracked UK delivery costs £4.50 per order. It is added to your total at checkout and shown in your order.
  • Orders paid before 3pm Monday to Friday are dispatched the same working day. Orders paid after 3pm, or at weekends and bank holidays, are dispatched the next working day.
  • Products are packed in plain outer packaging.
  • If your order has not arrived within five working days of dispatch, contact us and we will look into it with the courier.

Cancelling an order

  • You can cancel any time before your order is dispatched by contacting us on WhatsApp or by email. If you have paid, we refund you in full.
  • Under the Consumer Contracts Regulations 2013, you also have the right to cancel within 14 days of receiving your order, without giving a reason, as long as the product is unopened and its seal is intact.
  • Because our products are sealed for safety and integrity, products that have been opened or unsealed after delivery cannot be returned unless they are faulty.

How to return an item

  1. Tell us within 14 days of delivery that you want to cancel, by WhatsApp or email, quoting your order number.
  2. Send the unopened item back to us within 14 days of telling us. We will give you the return address. You pay the return postage unless the item was faulty or sent in error.
  3. We refund the price of the returned items, and the original delivery cost if you return the whole order, within 14 days of receiving them back, to the account you paid from.

Faulty, damaged or wrong items

If anything arrives damaged, faulty or not what you ordered, contact us within 7 days of delivery with your order number and a photo. We will send a replacement or a full refund, and cover any return postage. This does not affect your legal rights under the Consumer Rights Act 2015.

Contact

  • Business name: RNR Peptides
  • Email: orders@rnrpeptides.com
  • WhatsApp: 07742 575053
  • Postal address: our business postal address will be published here shortly. Until then, please contact us by email or WhatsApp.
  • Website: rnrpeptides.com
UK research peptide supplier

Premium UK peptides.

RNR Peptides is a leading UK supplier of high-purity, lab-tested research peptides.

26 productsHPLC testedCOA availableTracked UK delivery
A V-shaped line-up of RNR Peptides vials

Find your products fast

Search the full RNR catalogue by name.

Why RNR

Built for research

Consistent supply

Core lines kept in stock so your research can carry on without gaps between batches.

Wide catalogue

Peptides, research blends and prepared pens in one place.

Tested batches

Every batch is HPLC tested, with a certificate of analysis available on request.

How it works

Three simple steps

1

Browse compounds

Search or filter the catalogue and add what you need to your basket.

2

Secure checkout

Check out securely and get an order confirmation by email.

3

Fast dispatch

Orders placed before the daily cut-off leave the same working day on tracked UK delivery.

Quality

Lab tested, every batch

≥98%Purity
HPLCBatch tested
COAAvailable
24HRUK dispatch

Why researchers choose RNR

  • Batch and lot numbers on every vial for traceability
  • Lyophilised and stored at 2–8°C
  • Plain, discreet outer packaging
  • Clear pricing with UK tracked delivery
Catalogue

Explore the RNR range

Prices include VAT where applicable. Products showing “Price TBC” are coming soon.

View this range →
Pens

Research pens

Our peptides in prepared pen format, in the same RNR white and green.

Shop

All products

Catalogue updates

Hear about new compounds, restocks and wholesale offers.

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Standards

Our standards

Research use only

Every product is supplied strictly for laboratory, analytical and in vitro research by buyers aged 18 or over.

Traceability

Batch and lot numbers on every vial, matched to a certificate of analysis.

Consistency

The same specification, packaging and storage standards from one batch to the next.

Knowledge

Questions

Who can buy from RNR Peptides?

Our products are sold strictly for laboratory and research use by qualified buyers aged 18 or over. They are not for human or veterinary use.

How should peptides be stored?

Store vials refrigerated at 2–8°C and away from direct light. Lyophilised powder is most stable before reconstitution.

When will my order arrive?

Orders placed before the daily cut-off are dispatched the same working day by next-day UK tracked delivery.

Can I see test results?

Yes. A certificate of analysis (COA) is available for each product. Please contact our customer support team to request one on WhatsApp (07742 575053) or by email at orders@rnrpeptides.com, quoting the product and the lot number printed on your vial.

Why do some products say “Price TBC”?

These lines are being added to the RNR range. Prices will appear here when they are ready to order.

▲ Research use only · Disclaimer

Research use only. All products are supplied for laboratory, analytical and in vitro research. They are not for human or animal consumption.

Not medicinal products. Nothing on this site is intended to diagnose, treat, cure or prevent any disease, and we do not give dosage or administration advice.

Buyer responsibility. Buyers are responsible for handling, storing and using products in line with the laws and regulations that apply to them.