October 2026 issue · Editors' star ratings, never reader reviews · How we rate
Rated.Peptides

A buyer's magazine for research peptide suppliers

Head to head · October 2026

Amino Asylum or Koi Peptides?

On our stars Koi Peptides comes out ahead, 3.6 to 2.1. Koi Peptides lets you open its certificates before you order; Amino Asylum does not, and for a first order that gap matters more than any price. Koi Peptides takes cards and Amino Asylum does not, which decides it for anyone who wants chargeback rights.

2.1 / 5
Editors’ rating, not reader reviews
Paperwork1.7
Company1.1
Price2.5
Shopping3.4
3.6 / 5
Editors’ rating, not reader reviews
Paperwork4.1
Company3.2
Price3.3
Shopping3.5

At a glance

Amino Asylum

  • StatusTrading
  • BasedUS
  • Trading sinceNot published
  • Outside laboratoryLimited
  • Laboratory namedNone
  • Certificates open to allNot verified
  • Certificates per lotYes
  • Reference vialNot listed
  • Free shipping from$500
  • Ways to payNot stated
  • Ships abroadYes
  • ShelfAbout 83; vials, liquids, nasal, capsules
  • 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
  • ShelfNot counted; vials
  • FDA letterNone on record

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

Reader questions

So, Amino Asylum or Koi Peptides?

On our stars Koi Peptides comes out ahead, 3.6 to 2.1. Koi Peptides lets you open its certificates before you order; Amino Asylum does not, and for a first order that gap matters more than any price. Koi Peptides takes cards and Amino Asylum does not, which decides it for anyone who wants chargeback rights. The widest gap between them is in paperwork, where Koi Peptides leads.

Can I read a certificate from each before I order?

At Amino Asylum we could not find certificates posted openly. At Koi Peptides the certificates are open to anyone and each one is tied to a lot.

Are these reader reviews?

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