49 suppliers scored7 FDA warning letters tracked8 closures on recordUpdated October 2026 · How scoring works
Peptide Ranking
Head to head · October 2026

Ascension Peptides vs Koi Peptides

Ascension Peptides scores higher, 76 to 72. The widest gap is track record. Same formula, same data fields, October 2026.

Ascension Peptides
Rank #3 of 49 · ascensionpeptides.com
76/100
Koi Peptides
Rank #6 of 49 · koipeptides.com
72/100

Factor by factor

FactorAscension PeptidesKoi PeptidesEdge
Testing & certificates10082Ascension Peptides
Transparency9486Ascension Peptides
Track record1140Koi Peptides
Catalog7148Ascension Peptides
Pricing6065Koi Peptides
Ordering & service7590Koi Peptides

Fact sheets side by side

Ascension PeptidesKoi Peptides
Overall score76/100 (#3)72/100 (#6)
StatusOperatingOperating
Based inKansas City, MO (mailing address on contact page)Sheridan, WY (registered address); warehouses Austin, TX and Long Beach, CA
FoundedNot stated2022
Third-party testingYesYes
Laboratories namedKovera Labs, MZ BiolabsFreedom Diagnostics
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatsvials, blendsvials
Catalog size≈42—
BPC-157 5 mg listed price——
Free shipping from—$200
Paymentscard, achcard, ach, wire
Ships internationallyNoYes
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

Read the full reviews: Ascension Peptides · Koi Peptides. Both suppliers sell materials labeled for laboratory research use only.

Frequently asked questions

Which is better, Ascension Peptides or Koi Peptides?

On our formula Ascension Peptides scores higher (76 vs 72). The largest gap is in track record (11 vs 40). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Ascension Peptides: yes. Koi Peptides: yes. Lot-specific certificates — Ascension Peptides: yes; Koi Peptides: yes.

Which is cheaper?

We could not compare a like-for-like listing; price tiers are mid (Ascension Peptides) and mid (Koi Peptides).