Buy Research Peptides UK

Infinite Bio-Tech Ltd is a UK peptide supplier offering high-purity research peptides with fast, tracked UK delivery. Every compound is supplied for laboratory research use only.

Why researchers choose our UK peptides

• UK-based company with Royal Mail Tracked 24 dispatch
• High-purity lyophilised research peptides, vials, pens and nasal sprays
• Secure UK open-banking checkout
• Wholesale 10-packs with a lower price per vial or pen
• Free peptide reconstitution & dose calculator

Research peptides available in the UK

• 5-Amino 1MQ 50mg UK — £35.00
• BPC-157 / TB-500 Blend UK — £35.00
• Cagrilintide UK — £35.00
• GHK-Cu 100mg UK — £40.00
• GHK-Cu 50mg UK — £20.00
• Glow UK — £55.00
• Klow UK — £70.00
• MOTS-C UK — £25.00
• Melanotan II UK — £30.00
• Melanotan II — Nasal UK — £35.00
• NAD+ UK — £50.00
• PT141 10mg UK — £20.00
• Retatrutide UK — £75.00
• Retatrutide & Cagrilintide 35mg Pen Bundle UK — £140.00
• Retatrutide 30mg & Mots C 20mg Pen Bundle UK — £150.00
• Retatrutide 30mg x 10 disposable pen pack UK — £630.00
• Retatrutide 30mg x 10 vial pack UK — £530.00
• Retatrutide 60mg UK — £130.00
• SS31 10mg UK — £25.00
• Selank UK — £20.00
• Selank — Nasal UK — £28.00
• Semax UK — £20.00
• Semax — Nasal UK — £28.00
• Tesamorelin 10mg UK — £40.00
• Tirzepatide UK — £65.00
• Tirzepatide 30mg x 10 disposable pen pack UK — £550.00
• Tirzepatide 30mg x10 vial pack UK — £450.00
• Tirzepatide 60mg UK — £110.00

Browse the full UK peptide catalog →

Frequently asked questions

Where can I buy research peptides in the UK?

Infinite Bio-Tech Ltd is a UK-based research peptide supplier. You can order high-purity research peptides online and they are dispatched from the UK by Royal Mail Tracked 24.

How fast is UK delivery?

Orders placed before the daily cut-off are dispatched the same or next working day with Royal Mail Tracked 24, and every order comes with a tracking number.

Are your peptides tested for purity?

Our research peptides are supplied as high-purity lyophilised powder intended for laboratory research. Product pages list vial size and molecular weight for each compound.

How do I pay?

Checkout uses secure UK open-banking payments, so you pay directly from your bank app without sharing card details.

Do you offer wholesale or bulk peptides?

Yes. Wholesale 10-packs of vials and pens are available at a lower price per unit. Use the Wholesale filter in the catalog.

Which peptides do you stock?

Our UK range includes Retatrutide, Tirzepatide, Cagrilintide, BPC-157 / TB-500, GHK-Cu, NAD+, MOTS-C, Semax, Selank, Melanotan II, Klow and Glow, plus nasal sprays and pens.

How do I track my order?

You receive a Royal Mail tracking number by email once your parcel ships. You can also enter your order number on the Track Order page to see live delivery updates.

How should research peptides be stored?

Lyophilised peptides are best kept refrigerated (2–8°C) away from light. Once reconstituted, keep refrigerated and use within the timeframe recommended for that compound.

How do I reconstitute a peptide vial?

Use our free peptide calculator to work out the bacteriostatic water volume and concentration for your vial size, then follow standard aseptic laboratory technique.

What is your returns policy?

Unopened items can be returned within 14 days of delivery. Use the return link in your order email or the Request a Return page, and contact info@infinitebiotechltd.uk with any questions.

Do you have discount codes?

We run regular site-wide sales and promo codes. Wholesale packs are already discounted, so sales and promo codes do not apply to them.

Are these products for human use?

No. All products are sold strictly for laboratory research purposes only. They are not medicines and are not for human or animal consumption.

For research purposes only. Not for human or animal consumption.