Testing & Quality
Peptide Purity vs Content: What the Percentages Actually Mean
Separate HPLC area purity, net peptide content and target-specific assay, and see why multiplying two percentages requires analytical assumptions.
Precision starts with your materials
Research peptides.
A clearer path to discovery.
Explore research peptides, compare specifications and find the analytical documentation for your next study.
For laboratory research. Built around transparency.
Analytical documentationCertificate lookup
Clear specificationsCompare sizes and product details
Worldwide enquiriesShipping quoted for your address
Research use onlyNot for human or veterinary use
The research collection
Discover your next compound
Explore selected peptides and biochemical research materials.
-
Growth Hormone Axis
Ipamorelin
5mg, 10mg
99.70% (HPLC)
From $58 Select options This product has multiple variants. The options may be chosen on the product page -
Tissue Repair & Recovery
BPC-157
5mg, 10mg, 20mg
99.6% (HPLC)
From $69 Select options This product has multiple variants. The options may be chosen on the product page
Made for your field
Explore by research area
A focused collection. An easier place to start.
Metabolic Research
Tirzepatide · Retatrutide
11 productsGrowth Hormone Axis
Tesamorelin · CJC-1295
15 productsTissue Repair & Recovery
BPC-157 · TB-500
7 productsCognitive & Neuro
Selank · Semax
10 productsLongevity & Mitochondrial
NAD+ · MOTS-c
11 productsHormone & Reproductive
Kisspeptin-10 · Gonadorelin Acetate
7 productsImmune Research
Thymosin Alpha-1 · LL-37
4 productsSkin & Cosmetic Peptides
GHK-Cu · AHK-Cu
3 productsLipotropics & Cofactors
L-Carnitine · Lipo-C
4 productsLab Supplies
Bacteriostatic Water
1 productLook closer. Research with confidence.
Know what is behind your vial.
Review available certificates, including test dates, analytical results and laboratory details.
Understand our testingFind your certificate
The research journal
A little more insight.
Compound profiles, laboratory guides and research perspectives.
Research Reviews
Binding Affinity vs Potency: Kd, Ki, EC50, IC50 and Emax
Distinguish binding affinity, functional potency and maximum response, with hypothetical examples showing why assay endpoints cannot be ranked interchangeably.
Research Reviews
Polypeptide vs Protein: Chains, Precursors and Processed Forms
Understand overlapping peptide and protein terminology, and distinguish a polypeptide chain from a precursor, mature product or multichain entity.
Good questions. Clear answers.
Before you begin.
Need help with a product, a certificate or an order? Our team can help you find the right information.
Talk to our team →Who are these products intended for?
All products are supplied for laboratory research only. They are not for human or veterinary use.
Where can I find a certificate of analysis?
Use the lot number on your vial in the certificate lookup. Product pages also list available batch reports. If your report is not yet available, contact us before ordering.
How does shipping and payment work?
Submit your order and we will confirm availability and the shipping cost for your address by email. Payment follows the shipping confirmation.
Can I request bulk pricing?
Contact our team with the compound, specification and quantity. Any enabled quantity discounts are shown in your cart.