Rated Peptides
Compare · October 2026

Direct Peptides vs Koi Peptides

Koi Peptides scores higher, 7.1 to 5.0 out of 10. Both let you open a certificate before you spend anything, so certificates will not separate them. Both take cards.

Updated 2026-10-19 · Editorial scores, not user reviews

5.0
Editors' scoreMixed · #32 of 49Editorial score, not user reviews.
Quality4.0
Trust3.1
Value4.5
Experience8.0
7.1
Editors' scoreGood · #5 of 49Editorial score, not user reviews.
Quality8.2
Trust6.3
Value6.5
Experience6.9

At a glance

The same facts for both, side by side.

Direct Peptides

  • StatusTrading
  • BasedNot published
  • Trading sinceNot published
  • Outside laboratoryLimited
  • Laboratory namedNone
  • Certificates open to allYes
  • Certificates per lotNo
  • Reference vialNot listed
  • Free shipping fromNot stated
  • Ways to paycard, wire, zelle
  • Ships abroadYes
  • CatalogNot counted; vials, pens, nasal, capsules, blends
  • FDA letterNone on record

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

Both companies sell materials labeled for laboratory research use only. Full reviews: Direct Peptides · Koi Peptides.

Questions

So, Direct Peptides or Koi Peptides?

Koi Peptides scores higher, 7.1 to 5.0 out of 10. Both let you open a certificate before you spend anything, so certificates will not separate them. Both take cards. The widest gap is in quality, where Koi Peptides leads.

Can I read a certificate from each before I order?

Direct Peptides posts certificates anyone can open, though not tied to a lot. Koi 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.