Put your theory
to the test.
CellTheory Research supplies high-purity research peptides, independently tested and documented, so every result starts with a compound you can trust.
The compounds researchers reach for first.
A focused selection of our most-requested peptides, each backed by third-party testing and a batch-specific certificate of analysis.
GLP3-RT
MOTS-C
BPC-157
GLOW
GHK-Cu
The terminology behind the vial
A short reference to the analytical and handling terms that appear across our product documentation, written for researchers evaluating a supplier.
Lyophilized
Freeze-dried to a stable powder. Removing water under vacuum preserves peptide integrity during storage and shipping until the compound is reconstituted.
HPLC
High-performance liquid chromatography separates a sample into its components to quantify purity — the primary method used to verify every batch.
Mass Spectrometry
Confirms identity by measuring molecular weight, verifying the sequence in the vial matches the compound on the label.
Certificate of Analysis
A batch-specific document reporting purity, identity confirmation, and net content for the exact lot received.
Reconstitution
Returning a lyophilized compound to solution, typically with bacteriostatic water, prior to use in a research protocol.
Bacteriostatic Water
Sterile water with 0.9% benzyl alcohol. The preservative inhibits bacterial growth, allowing a vial to be accessed repeatedly.
In Vitro
Research conducted outside a living organism — in cell culture or controlled laboratory systems rather than in a living subject.
Research Use Only
An RUO designation. The compound is not a drug, supplement, or food, and is not intended for human, clinical, or veterinary use.
Peptide Sequence
The ordered chain of amino acids defining a peptide. Even a single substitution produces a distinct molecule with a distinct research profile.
Analog
A structurally modified version of a native molecule, often engineered for greater stability or receptor selectivity in research models.
Half-Life
The time for half of a compound to degrade or clear from a system. Structural modifications are frequently used to extend it.
Cold Chain
Temperature-controlled handling and storage. Lyophilized compounds are best kept cold and away from light, frozen for long-term storage.
Every batch must pass all four quality checks.
We don't cut corners. Every batch is rigorously tested, verified, and documented, so you can trust exactly what you're working with.
99%+ Purity
Every compound meets a minimum 99% purity threshold before it is cleared for release.
HPLC Verified
Purity is quantified by high-performance liquid chromatography on every batch.
3rd Party Tested
Independent laboratories confirm our findings with no conflict of interest.
Batch COA
A batch-specific Certificate of Analysis ships with every single order.