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The catalog

Lyophilized peptides, third-party tested and shipped from the United States.

Evidence-first research materials. Published certificates show the methods and results reported for the referenced lot.

Volume pricing

Quantity discounts.

Save 5% on 2 vials, 10% on 3, 20% on 5, or 30% on 10. Discounts apply automatically in the cart.

  • Lyophilized, third-party tested, and shipped from the United States. 🇺🇸
  • U.S. third-party tested
  • UPLC-verified purity
  • Free shipment protection
Evidence before selection

How to evaluate lyophilized peptides for laboratory research.

When evaluating research peptides, start with the specific vial, then verify the evidence attached to its batch. A useful record should let a researcher connect the labeled material to a public certificate and understand what each reported result actually establishes.

Match the batch

Check that the compound, strength, lot or batch reference, and test date correspond to the vial being evaluated. Tuned publishes available records in its public CoA library.

Read each method separately

UPLC purity, mass-spectrometry identity, measured content, endotoxin, and sterility are different measurements. One result should not be treated as proof of another. See how to read a CoA.

Check the handling context

Lyophilization removes water to support stability, but storage conditions still matter. Review the labeled conditions and our sourced guide to lyophilized peptide storage and stability.

What our catalog surfaces

Evidence that stays connected to the material.

Selected strength
The strength chosen on the product page and carried into the cart.
Batch-specific record
A public certificate where a current report is available.
Reported methods
The test method and result shown without combining unlike measurements.
Evidence status
Clear report availability before a researcher makes a selection.

For laboratory research use only. Not for human or veterinary use. Review the full quality standards for our testing and documentation approach.