Home › Learn › Peptide blends testing
Peptide blends testing.
Multi-component vials — every component identified and quantified separately.
The short answer
Peptide blends are tested one component at a time: each peptide in the vial is identified and quantified separately against its own reference standard, and the certificate reports mg per vial per component. Pricing scales with component count — €147 for 2 components, €230 for 3, €368 for 4 or more — with a 48–72 h target turnaround and every result published in the public database.
What the analysis measures
One assay per component
- Identity, per component. Each declared peptide is checked by retention time against its own reference standard. Undeclared major peaks are reported.
- Quantity, per component. Milligrams per vial measured separately for every component, in duplicate, next to each label claim.
- Purity of the whole. The chromatogram of the complete vial, with every component and impurity peak integrated and stated.
The complete method — column, gradient, wavelength, limits — is published on the open method page.
Worth knowing
Before you test Peptide blends
A blend is not one analysis with extra steps; it is one analysis per component. Each peptide in the vial is identified and quantified against its own reference standard, and the certificate reports mg per vial for each component separately — a “GLOW-type” vial gets three numbers, not one. That is why blend pricing scales with component count: 2 components €147, 3 components €230, 4 or more €368.
Price
Blend pricing
2-component blend €147 · 3-component blend €230 · 4+ component blend €368 — every component quantified separately. See the full price list for add-ons and volume tiers.
On the certificate
What the CoA shows
- Measured quantity in duplicate, next to the label claim.
- Chromatographic purity with the full impurity table, not just the headline figure.
- The identity basis, stated: retention-time (presumptive) or mass-spectral (confirmed).
- Method reference and version, so the numbers can be interrogated.
- A public database entry — every result is published, verifiable by anyone, good or bad.
New to certificates? Read how to read a peptide CoA and how to verify one.
FAQ
Peptide blends testing questions
What are GLOW and KLOW blends?
Market names for circulating multi-component mixes — GLOW-type typically refers to a GHK-Cu / BPC-157 / TB-500 combination, and KLOW-type adds KPV. On a certificate they are simply 3- and 4-component blends: each peptide identified and quantified separately.
Why do blends cost more than single peptides?
Because each component is a full quantification against its own reference standard. A 3-component blend is analytically three assays on one vial, and the certificate reports each component's mg per vial separately.
Can you verify the label claim of each component?
Yes — that is the point of separate quantification. The certificate lists measured mg per vial for every component next to what the label claims, component by component.
Iberian Analytical opens in Q1 2027 — €99 per test, 48–72 h target, and every result published in a public database, mandatory and free. Nothing is sold on this site today. Leave an email and we will write once, when the laboratory starts issuing certificates.
Testing for a business? Apply for a trade account — volume tiers and a 24-month rate lock.