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

Loti Labs vs Paramount Peptides

Paramount Peptides scores higher, 76 to 58. The widest gap is transparency. Same formula, same data fields, October 2026.

Loti Labs
Rank #25 of 49 · lotilabs.com
58/100
Paramount Peptides
Rank #4 of 49 · paramountpeptides.com
76/100

Factor by factor

FactorLoti LabsParamount PeptidesEdge
Testing & certificates7488Paramount Peptides
Transparency52100Paramount Peptides
Track record1139Paramount Peptides
Catalog4879Paramount Peptides
Pricing7465Loti Labs
Ordering & service7545Loti Labs

Fact sheets side by side

Loti LabsParamount Peptides
Overall score58/100 (#25)76/100 (#4)
StatusOperatingOperating
Based inUSIrvine, CA
FoundedNot stated2012
Third-party testingYesYes
Laboratories namedNone namedJanoshik
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatsvials, capsules, blendsvials, capsules, blends
Catalog size—≈78
BPC-157 5 mg listed price$49.99—
Free shipping from$99$500
Paymentscard, achNot stated
Ships internationallyNoNo
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Frequently asked questions

Which is better, Loti Labs or Paramount Peptides?

On our formula Paramount Peptides scores higher (76 vs 58). The largest gap is in transparency (52 vs 100). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Loti Labs: yes. Paramount Peptides: yes. Lot-specific certificates — Loti Labs: yes; Paramount Peptides: yes.

Which is cheaper?

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