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 USA Peptides

Core Peptides scores higher, 74 to 24. The widest gap is testing & certificates. Same formula, same data fields, October 2026.

Core Peptides
Rank #4 of 49 · corepeptides.com
74/100
USA Peptides
Rank #46 of 49 · usapeptides.com
24/100

Factor by factor

FactorCore PeptidesUSA PeptidesEdge
Testing & certificates846Core Peptides
Documentation depth400Core Peptides
Transparency10040Core Peptides
Track record440Core Peptides
Catalog8763Core Peptides
Pricing6445Core Peptides
Ordering & service6557Core Peptides

Fact sheets side by side

Core PeptidesUSA Peptides
Overall score74/100 (#4)24/100 (#46)
StatusOperatingOperating
Based inOrlando, FLUS
Founded2019Not stated
Third-party testingYesNot verified
Laboratories namedVanguard LaboratoryNone named
Public certificatesYesNo
Lot-specific certificatesYesNot verified
Formatsvials, blends, topicalvials, blends
Catalog size≈104≈16
BPC-157 5 mg listed price$52—
Free shipping from$200—
Paymentscardcard
Ships internationallyNoNot verified
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Frequently asked questions

Which is better, Core Peptides or USA Peptides?

On our formula Core Peptides scores higher (74 vs 24). The largest gap is in testing & certificates (84 vs 6). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Core Peptides: yes. USA Peptides: no. Lot-specific certificates — Core Peptides: yes; USA Peptides: not verified.

Which is cheaper?

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