
New Products 🆕
The latest formulations from Pen Peptide – highly selective SARMs in pen form and other compounds such as Ecdysterone and N-Clomiphene. All products are pre-mixed, highly concentrated, and laboratory-stabilized.
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Exosomes (Muse MSC Stem Cells) | Pre-Mixed Stabilized Pen
Regular price From £249.00Regular priceUnit price / per -
Building Up Stack | YK-11, RAD-140, MK-677, SLU-PP-332, Cardarine – 320.8mg/3ml
Regular price £152.00Regular priceUnit price / per -
Bulking Stack | YK-11, RAD140, MK677 & OTR AC - 290mg/3ml
Regular price £152.00Regular priceUnit price / per -
Cutting Stack | MK2866, GW501516 & SLU-PP-332 - 160.8mg/3ml
Regular price £134.00Regular priceUnit price / per -
Lean Mass Stack | MK677 (Ibutamoren) & LGD-4033 (Ligandrol) - 160mg/3ml
Regular price £134.00Regular priceUnit price / per -
Recomposition Stack | Andarine S4, GW501516 & SR9009 - 240mg/3ml
Regular price £139.00Regular priceUnit price / per -
Strength Stack | RAD140, OTR AC & Ligandrol (LGD-4033) - 230mg/3ml
Regular price £144.00Regular priceUnit price / per -
Andarine S4 | 40mg/1.5ml
Regular price £80.00Regular priceUnit price / per -
Cardarine (GW501516) | 40mg/1,5 ml
Regular price £85.00Regular priceUnit price / per -
9-Me-BC | 35mg/1,5ml
Regular price £85.00Regular priceUnit price / per
Online store for Peptides and other products.
Pen Peptide is a specialized online store that offers high-quality and pure peptides, manufactured for scientific research and development. We provide the highest quality peptides, with a purity of over 98%.
Our products are designed to meet the highest standards of scientific research, ensuring reliability and consistency in every batch. We offer a wide range of peptides suitable for various research applications, from biomedical studies to performance science.
Shop by categories
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Peptides for Fitness
Enhance your physique with our peptides for fitness and sports goals In...
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Peptides for Weight Loss
Revolution in weight loss: Peptides for effective fat burning Discover our category...
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Peptides for Muscle Mass
Turn your ideal figure into reality: Peptides for Muscle Mass Transform your...
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Immunomodulators
Innovative Protection: Peptides and Other Immunomodulators for a Strong Immune System The...
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Supplements
Your key to a healthy life: our supplements! In our supplements subcategory,...

Leading supplier of high-quality peptides.
At Pen Peptide, we are dedicated to maintaining and continuously improving the quality of our products and services!
Favorite products
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Retatrutide | 6mg/12mg
Vendor:Pen PeptideRegular price From £129.00Regular priceUnit price / per -
BPC-157 (5mg) + TB-500 (5mg) | Blend
Vendor:Pen PeptideRegular price £109.00Regular priceUnit price / per -
Temporarily out of stock
Pen Needles | 20/50 pcs | 32G*5mm
Vendor:Pen PeptideRegular price From £14.00Regular priceUnit price / perTemporarily out of stock -
Semaglutide | 5mg/1mg
Vendor:Pen PeptideRegular price From £49.00Regular priceUnit price / per -
Skin Glow (GHK-Cu) | 100mg
Vendor:Pen PeptideRegular price £66.00Regular priceUnit price / per -
CJC 1295 No Dac (5mg) + Ipamorelin (10mg) | Blend
Vendor:Pen PeptideRegular price £105.00Regular priceUnit price / per -
Somatropin (Human Growth Hormone) 30 IU | 9.9mg
Vendor:Pen PeptideRegular price £79.00Regular priceUnit price / per -
Ipamorelin | 10mg
Vendor:Pen PeptideRegular price £56.00Regular priceUnit price / per -
BPC-157 | 5mg
Vendor:Pen PeptideRegular price £62.00Regular priceUnit price / per -
Melanotan II | 10mg
Vendor:Pen PeptideRegular price £62.00Regular priceUnit price / per -
MOTS-c | 10mg
Vendor:Pen PeptideRegular price £78.00Regular priceUnit price / per -
5-Amino-1MQ | 100mg
Vendor:Pen PeptideRegular price £66.00Regular priceUnit price / per
The highest quality peptides in Europe & UK
From production to packaging and delivery, we apply the strictest quality control standards to ensure that all peptides reach you in their purest form.
In addition to offering the best value, we also care about our customers' satisfaction and provide the fastest delivery times.
Pen Peptide has become a highly appreciated brand and a rapidly developing supplier of peptides for scientific research in Europe & United Kingdom.
Blog posts
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Retatrutide Pen in the UK: Formats, Costs and U...
Retatrutide Pen in the UK is available for research use only, not yet MHRA-approved, with access limited to trials and scientific supply until final approval.
Retatrutide Pen in the UK: Formats, Costs and U...
Retatrutide Pen in the UK is available for research use only, not yet MHRA-approved, with access limited to trials and scientific supply until final approval.
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Retatrutide for Weight Loss: Mechanisms and Pro...
In this article, we explore how Retatrutide supports weight loss through GLP-1, GIP, and glucagon pathways, its clinical protocols, and how it compares to other obesity peptides.
Retatrutide for Weight Loss: Mechanisms and Pro...
In this article, we explore how Retatrutide supports weight loss through GLP-1, GIP, and glucagon pathways, its clinical protocols, and how it compares to other obesity peptides.
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Retatrutide Side Effects: What Research and Red...
In this article, we explore the side effects of Retatrutide, from clinical research to real-world Reddit reports, highlighting common GI issues and rare findings.
Retatrutide Side Effects: What Research and Red...
In this article, we explore the side effects of Retatrutide, from clinical research to real-world Reddit reports, highlighting common GI issues and rare findings.