In stockRetatrutide 20mg Pen
£129.99 GBP£142.99 GBP
Research peptides · UK dispatch
Research peptides,
labelled with
clear evidence.
19 research pens and bundles. Clear strengths, pricing and product documentation.
Shop all products
In her handRetatrutide 20mg PenView product Featured
Explore the collection
The Maylene collection
Find your research focus.
Research pens
Research pens
Explore the collection, one compound at a time.
Shop pensProduct bundles
Better together.
Paired compounds. One considered bundle.
Shop bundles
GLP‑1 research
Metabolic focus
Explore compounds and compare the research.
Read guide
Tissue-support research
Recovery focus
A closer look at BPC‑157 and TB‑500.
Read guide
Copper peptide research
Skin & collagen
Explore GHK‑Cu and the research.
Read guide
NAD+ research
Cellular energy
Discover the NAD+ 500mg pen.
View product
Browse by category
Popular categories
Free UK delivery
On every order, tracked from dispatch to your door. £35 flat rate internationally.
Documentation on every listing
Certificates and records are linked from each product page before you buy.
Clear strengths and pricing
Labelled content, format and price shown up front. No surprises at checkout.
Support by humans
Email or WhatsApp us and hear back within one working day.
Learn
Research guides
Explore by research goal
Find your research focus.
Different goals. A higher standard.
Metabolic & skin-focused research.
Explore GLP-1, tirzepatide, retatrutide and cosmetic peptides for your research goals.
Explore peptides- Metabolic research
- Skin and collagen
- Body composition
- Cellular health
Supporting a healthier, more vibrant tomorrow through research.
Recovery & longevity research.
Explore BPC-157, GHK-Cu, NAD+ and other peptides for performance and cellular research.
Explore peptides- Recovery research
- Tissue support
- Cellular longevity
- General wellness
Backing the next generation of research and discovery.
Research & education
The science behind what's next.
Expert insights, research updates and educational resources to help you stay informed.
Explore the library
Peptide research basicsUnderstand the science, applications and latest findings in peptide research.Read the guide 
Research applicationsExplore real-world research use cases and emerging opportunities.View resources 
Expert perspectivesInsights from researchers and published scientific literature.Explore insights A simple process
Find it. Check it. Order it.
- 01Find the right productSearch our catalogue or browse by research goal to find what you need.
- 02Check the detailsReview product information, pricing and research-use guidelines.
- 03Place your orderComplete checkout with secure payment and track your order every step of the way.
