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

Biotech Peptides vs Koi Peptides

Koi Peptides scores higher, 72 to 65. The widest gap is ordering & service. Same formula, same data fields, October 2026.

Biotech Peptides
Rank #13 of 49 · biotechpeptides.com
65/100
Koi Peptides
Rank #7 of 49 · koipeptides.com
72/100

Factor by factor

FactorBiotech PeptidesKoi PeptidesEdge
Testing & certificates8882Biotech Peptides
Documentation depth5365Koi Peptides
Transparency6086Koi Peptides
Track record3240Koi Peptides
Catalog7948Biotech Peptides
Pricing6465Koi Peptides
Ordering & service3790Koi Peptides

Fact sheets side by side

Biotech PeptidesKoi Peptides
Overall score65/100 (#13)72/100 (#7)
StatusOperatingOperating
Based inUSSheridan, WY (registered address); warehouses Austin, TX and Long Beach, CA
Founded20192022
Third-party testingYesYes
Laboratories namedMZ BiolabsFreedom Diagnostics
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatslyophilized powder, blendsvials
Catalog size≈89—
BPC-157 5 mg listed price$52—
Free shipping from—$200
PaymentsNot statedcard, ach, wire
Ships internationallyNot verifiedYes
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Frequently asked questions

Which is better, Biotech Peptides or Koi Peptides?

On our formula Koi Peptides scores higher (72 vs 65). The largest gap is in ordering & service (37 vs 90). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

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

Which is cheaper?

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