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

Core Peptides vs UK Peptides

Core Peptides scores higher, 74 to 50. The widest gap is testing & certificates. Same formula, same data fields, October 2026.

Core Peptides
Rank #4 of 49 · corepeptides.com
74/100
UK Peptides
Rank #29 of 49 · uk-peptides.com
50/100

Factor by factor

FactorCore PeptidesUK PeptidesEdge
Testing & certificates8419Core Peptides
Documentation depth4028Core Peptides
Transparency10088Core Peptides
Track record4439Core Peptides
Catalog8763Core Peptides
Pricing6475UK Peptides
Ordering & service6585UK Peptides

Fact sheets side by side

Core PeptidesUK Peptides
Overall score74/100 (#4)50/100 (#29)
StatusOperatingOperating
Based inOrlando, FLMiddlesbrough, England
Founded20192012
Third-party testingYesNo
Laboratories namedVanguard LaboratoryNone named
Public certificatesYesYes
Lot-specific certificatesYesNot verified
Formatsvials, blends, topicalvials
Catalog size≈104≈79
BPC-157 5 mg listed price$52—
Free shipping from$200—
Paymentscardcard, wire
Ships internationallyNoYes
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Frequently asked questions

Which is better, Core Peptides or UK Peptides?

On our formula Core Peptides scores higher (74 vs 50). The largest gap is in testing & certificates (84 vs 19). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Core Peptides: yes. UK Peptides: yes. Lot-specific certificates — Core Peptides: yes; UK Peptides: not verified.

Which is cheaper?

We could not compare a like-for-like listing; price tiers are mid (Core Peptides) and budget (UK Peptides).