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Compare · October 2026

Koi Peptides vs Liberty Peptides

Koi Peptides scores higher, 7.1 to 6.1 out of 10. Both let you open a certificate before you spend anything, so certificates will not separate them. Koi Peptides takes cards and Liberty Peptides does not, which settles it if you want chargeback rights.

Updated · Editorial scores, not user reviews

7.1
Editors' scoreGood · #6 of 49Editorial score, not user reviews.
Quality7.4
Trust6.3
Value6.5
Experience6.9
Visit Koi Peptides
6.1
Editors' scoreMixed · #18 of 49Editorial score, not user reviews.
Quality6.4
Trust5.3
Value6.5
Experience5.5
Visit Liberty Peptides

At a glance

The same facts for both, side by side.

Koi Peptides

  • StatusTrading
  • BasedSheridan, WY (registered address); warehouses Austin, TX and Long Beach, CA
  • Trading since2022
  • Outside laboratoryYes
  • Laboratory namedFreedom Diagnostics
  • Certificates open to allYes
  • Certificates per lotYes
  • Reference vialNot listed
  • Free shipping from$200
  • Ways to paycard, ach, wire
  • Ships abroadYes
  • CatalogNot counted; vials
  • FDA letterNone on record

Liberty Peptides

  • StatusTrading
  • BasedWilmington, DE
  • Trading sinceNot published
  • Outside laboratoryYes
  • Laboratory namedNone
  • Certificates open to allYes
  • Certificates per lotYes
  • Reference vialNot listed
  • Free shipping from$200
  • Ways to payNot stated
  • Ships abroadNot verified
  • CatalogAbout 72; vials, capsules, blends
  • FDA letterNone on record

Both companies sell materials labeled for laboratory research use only. Full reviews: Koi Peptides review · Liberty Peptides review · all comparisons.

Keep comparing

The guide that explains the biggest gap here, the lists both are on, and nearby match-ups.

Paying a peptide supplier: cards, ACH, crypto, chargebacksBoth on: US-based suppliersBoth on: Suppliers with public certificates of analysisBoth on: Lot-level third-party testingCore Peptides vs Liberty PeptidesLiberty Peptides vs Paramount PeptidesLiberty Peptides vs Pure Peptide Labs

Questions

So, Koi Peptides or Liberty Peptides?

Koi Peptides scores higher, 7.1 to 6.1 out of 10. Both let you open a certificate before you spend anything, so certificates will not separate them. Koi Peptides takes cards and Liberty Peptides does not, which settles it if you want chargeback rights. The widest gap is in experience, where Koi Peptides leads.

Can I read a certificate from each before I order?

Koi Peptides posts certificates anyone can open, each tied to a lot. Liberty Peptides posts certificates anyone can open, each tied to a lot.

Are these user reviews?

No. Both scores come from our published formula applied to facts on each supplier’s own pages and in public records. Nobody can submit a rating here.