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 Swiss Chems

Paramount Peptides scores higher, 76 to 59. The widest gap is ordering & service. Same formula, same data fields, October 2026.

Paramount Peptides
Rank #3 of 49 · paramountpeptides.com
76/100
Swiss Chems
Rank #22 of 49 · swisschems.is
59/100

Factor by factor

FactorParamount PeptidesSwiss ChemsEdge
Testing & certificates8888Even
Documentation depth6558Paramount Peptides
Transparency100100Even
Track record394Paramount Peptides
Catalog7970Paramount Peptides
Pricing6550Paramount Peptides
Ordering & service4595Swiss Chems

Fact sheets side by side

Paramount PeptidesSwiss Chems
Overall score76/100 (#3)59/100 (#22)
StatusOperatingFDA warning letter
Based inIrvine, CANew York, NY
Founded20122018
Third-party testingYesYes
Laboratories namedJanoshikJanoshik Analytical
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatsvials, capsules, blendscapsules, vials, bulk, blends
Catalog size≈78—
BPC-157 5 mg listed price——
Free shipping from$500$100
PaymentsNot statedcard, crypto, zelle, ach
Ships internationallyNoYes
Research-use disclaimerYesYes
FDA warning letterNone found2024-12-10

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

Frequently asked questions

Which is better, Paramount Peptides or Swiss Chems?

On our formula Paramount Peptides scores higher (76 vs 59). The largest gap is in ordering & service (45 vs 95). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Paramount Peptides: yes. Swiss Chems: yes. Lot-specific certificates — Paramount Peptides: yes; Swiss Chems: yes.

Which is cheaper?

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