Each lot is checked for identity and purity by an independent third-party lab. Its certificate of analysis goes into our COA library, so you can review the results before your research starts.
Third-party testedIndependent labs verify identity and purity on each lot.
Downloadable COAsA PDF certificate for every product in the catalog.
Updated as results landNew certificates are added as each round of testing finishes.
Laboratory sourcingMaterials come through qualified laboratory channels.
Peptides are short chains of amino acids that are frequently studied in scientific and laboratory settings to investigate biological and biochemical processes. Zeptix Labs supplies research materials intended exclusively for laboratory research, analytical, and educational purposes. All products are offered strictly for research use only and are not intended for human or veterinary use, consumption, diagnosis, treatment, or prevention of any disease. Purchasers are responsible for ensuring compliance with all applicable laws, regulations, and institutional requirements regarding the use of these materials.
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How do you verify quality and purity?
Each lot undergoes independent third-party analytical testing to support quality and consistency. Certificates of Analysis (COAs) are available for review here.
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How fast do you ship?
Orders placed before 6 PM EST ship the same day. Orders arrive in 2 business days via expedited shipping.
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Why choose Zeptix Labs?
Zeptix Labs was built on transparency. Our commitment is to give researchers the highest-quality compounds and the documentation to back them up.
Research
Research articles
Original primers on research peptides, documentation, and the compounds in our catalog. Written for qualified laboratory use.
Zeptix Labs sells research peptides exclusively to qualified researchers and laboratories for in vitro and laboratory use. Please confirm before continuing.
By proceeding you affirm the statements above are true. Products are not for human or veterinary use, not for use in diagnostic procedures, and have not been evaluated by the U.S. Food and Drug Administration. Full disclaimer.
Fundamentals
Quality
Recovery