Lab-Tested & Third-Party VerifiedLab-Tested & Third Party Verified

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≥99% purity on every lot, with the lab report published before it goes on sale.Access laboratory-grade peptides with verified purity standards. Every compound is rigorously tested and documented for scientific excellence.

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Explore our comprehensive range of research peptides organized by category

How We Verify Purity and Identity

Every lot we stock is tested by an independent analytical laboratory before it is offered for sale, and the resulting report is published rather than summarized. Two measurements matter most, and they answer different questions.

Purity by HPLC

High-Performance Liquid Chromatography separates everything present in the sample and reports what share of the total belongs to the target peptide. This is where a figure such as 99% comes from, and it tells you how little related or residual material is present.

Identity by mass spectrometry

Mass spectrometry measures molecular mass and compares it against the theoretical mass of the sequence, confirming the vial contains the peptide named on the label. Purity without an identity check is an incomplete result.

Lot traceability

Reports are tied to a specific lot number, so a result can be traced back to one synthesis and fill run rather than to a product line in general.

Independent verification

Janoshik reports carry a verification key you can enter on the laboratory's own site to confirm the document matches their record. You never have to take our word for a number.

Browse the published reports on our Certificates of Analysis page.

Frequently Asked Questions

Are Alpha Carbon Labs peptides third-party tested?

Yes. Lots are tested by independent laboratories, primarily Janoshik Analytical, for HPLC purity and mass spectrometry identity. The reports are published on our site with verification keys so results can be confirmed directly with the laboratory.

How should research peptides be stored?

Lyophilized peptides are stable at ambient temperature during transit and should be refrigerated at 2–8°C for routine storage, or frozen at -20°C for long-term storage. Keep vials sealed and protected from light and moisture until use.

How quickly do orders ship?

Orders confirmed before 2:00 PM EST ship the same business day; later orders ship the next business day. Standard shipping is 1–5 business days and is free over $100, with UPS Next Day available. Tracking is emailed as soon as the label is created.

Who is eligible to order?

Purchases are restricted to qualified researchers and research organizations buying for laboratory use. An account is required to view the catalog and to complete checkout.

What payment methods do you accept?

Credit and debit card, e-check, Zelle, Cash App, and cryptocurrency. Available options are shown at checkout, and our team can walk you through any of them by phone during business hours.

Are these products intended for human use?

No. Every product sold by Alpha Carbon Labs is supplied strictly for laboratory and research use only, and is not a drug, supplement, or food. It is not intended for human or veterinary consumption, and our team cannot advise on dosing or reconstitution.