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 US Peptides

Ascension Peptides scores higher, 77 to 28. The widest gap is testing & certificates. Same formula, same data fields, October 2026.

Ascension Peptides
Rank #2 of 49 · ascensionpeptides.com
77/100
US Peptides
Rank #43 of 49 · uspeptides.com
28/100

Factor by factor

FactorAscension PeptidesUS PeptidesEdge
Testing & certificates1006Ascension Peptides
Documentation depth680Ascension Peptides
Transparency9466Ascension Peptides
Track record114Ascension Peptides
Catalog7155Ascension Peptides
Pricing6067US Peptides
Ordering & service7532Ascension Peptides

Fact sheets side by side

Ascension PeptidesUS Peptides
Overall score77/100 (#2)28/100 (#43)
StatusOperatingOperating
Based inKansas City, MO (mailing address on contact page)Tarpon Springs, FL
FoundedNot statedNot stated
Third-party testingYesNot verified
Laboratories namedKovera Labs, MZ BiolabsNone named
Public certificatesYesNo
Lot-specific certificatesYesNot verified
Formatsvials, blendsvials
Catalog size≈42≈15
BPC-157 5 mg listed price—$46.39
Free shipping from——
Paymentscard, achNot stated
Ships internationallyNoNo
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Frequently asked questions

Which is better, Ascension Peptides or US Peptides?

On our formula Ascension Peptides scores higher (77 vs 28). The largest gap is in testing & certificates (100 vs 6). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Ascension Peptides: yes. US Peptides: no. Lot-specific certificates — Ascension Peptides: yes; US Peptides: not verified.

Which is cheaper?

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