Clinical-Grade
Peptides, Delivered
With Precision
Every batch independently tested for purity, potency, and composition. The Sequence Pen makes peptide therapy as simple as it is sophisticated.
Our purity
Every batch goes through HPLC and mass spectrometry testing, verified to 99.7%+ purity with published certificates.
Our expertise
Decades of peptide research inform our product range. We only offer compounds with meaningful clinical evidence.
Our device
The Sequence Pen — a precision-engineered subcutaneous delivery system. Pre-dosed, adjustable, medical-grade.
Our subscribers
Join thousands who trust Sequence for their peptide therapy. Cancel or pause anytime, no commitments.
Your goals, our peptides
Every health journey is unique. Browse by what matters to you.
How It Works
Three Simple Steps
From subscription to your door in three simple steps. No complexity, no guesswork.
Choose Your Peptide
Browse our range of assay-verified peptides. Each is independently tested for purity, potency, and composition.
Get Your Starter Kit
Your first order includes the reusable Sequence Pen, premium carry case, cartridge, and needle tips.
Monthly Refills
From order two, receive just your cartridge refill and fresh needle tips. Pause, skip, or cancel anytime.
Popular peptides
Every product is independently assay verified and delivered through the Sequence Pen.
The Science
Understanding Peptides
The science behind next-generation wellness — and why quality matters more than you think.
What Are Peptides?
Peptides are short chains of amino acids — the building blocks of proteins. They occur naturally in every cell of your body and act as signalling molecules telling your cells what to do.
How Do They Work?
When administered peptides bind to specific receptors on your cells activating targeted biological pathways. Unlike broad pharmaceuticals peptides work with your body's existing systems.
Why Sequence?
Most peptides on the market are sold as raw powders requiring complex reconstitution. Sequence delivers pre-loaded cartridges in a precision dial-a-dose pen — no mixing no guesswork.
From Cartridge to Cellular Response
Select your dose using the precision dial on the Sequence Pen
Quick subcutaneous injection — 5 seconds minimal discomfort
Peptides enter your bloodstream and bind to target receptors
Specific biological pathways are triggered at the cellular level
Your body's natural processes are optimised over time
Six Categories, Targeted Results
Recovery
BPC-157 TB-500
Support tissue repair reduce inflammation and accelerate recovery.
Performance
CJC-1295 Ipamorelin
Stimulate natural growth hormone production for lean mass and sleep quality.
Wellness
PT-141 Selank DSIP
Target specific wellness pathways including sleep mood and sexual health.
Anti-Ageing
GHK-Cu Epithalon MOTS-C
Promote collagen synthesis support telomere maintenance and cellular rejuvenation.
Weight Management
Tirzepatide Retatrutide
Next-generation metabolic compounds targeting incretin receptor pathways.
Stacks
Wolverine Glow KLOW
Multi-peptide combinations for synergistic broad-spectrum results.
Your Subscription
Everything You Need, Nothing You Don’t
Your first order includes the complete Starter Kit. From order two, you only receive what needs replacing — because the pen and case are built to last.
Just the Essentials
Your pen and case are built to last — so from order two, you only receive what needs replacing.
Reviews
What Our Subscribers Say
"The quality difference is immediately obvious. The pen system is incredibly well-made and the whole experience feels premium. Three months in and I'm not going anywhere."
"Finally, a peptide brand that doesn't feel dodgy. The assay verification gives me genuine confidence in what I'm taking. The subscription is seamless."
"I've tried other suppliers and the difference with Sequence is night and day. The packaging, the pen, the actual product quality — it's on another level entirely."
"The reusable pen is a game-changer. No more fiddling with vials and syringes. It's clean, simple, and actually enjoyable to use. Highly recommend."