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

Paramount Peptides vs Polaris Peptides

Paramount Peptides scores higher, 76 to 30. The widest gap is testing & certificates. Same formula, same data fields, October 2026.

Paramount Peptides
Rank #4 of 49 · paramountpeptides.com
76/100
Polaris Peptides
Rank #44 of 49 · polarispeptides.com
30/100

Factor by factor

FactorParamount PeptidesPolaris PeptidesEdge
Testing & certificates886Paramount Peptides
Transparency10052Paramount Peptides
Track record3926Paramount Peptides
Catalog7940Paramount Peptides
Pricing6540Paramount Peptides
Ordering & service4552Polaris Peptides

Fact sheets side by side

Paramount PeptidesPolaris Peptides
Overall score76/100 (#4)30/100 (#44)
StatusOperatingOperating
Based inIrvine, CAUS
Founded2012Not stated
Third-party testingYesNot verified
Laboratories namedJanoshikNone named
Public certificatesYesNo
Lot-specific certificatesYesNot verified
Formatsvials, capsules, blendsNot stated
Catalog size≈78—
BPC-157 5 mg listed price——
Free shipping from$500—
PaymentsNot statedcard, venmo
Ships internationallyNoNot verified
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Frequently asked questions

Which is better, Paramount Peptides or Polaris Peptides?

On our formula Paramount Peptides scores higher (76 vs 30). The largest gap is in testing & certificates (88 vs 6). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Paramount Peptides: yes. Polaris Peptides: no. Lot-specific certificates — Paramount Peptides: yes; Polaris Peptides: not verified.

Which is cheaper?

We could not compare a like-for-like listing; price tiers are mid (Paramount Peptides) and unknown (Polaris Peptides).