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

Limitless Biotech vs Paramount Peptides

Paramount Peptides scores higher, 76 to 61. The widest gap is documentation depth. Same formula, same data fields, October 2026.

Limitless Biotech
Rank #19 of 49 · limitlesslifenootropics.com
61/100
Paramount Peptides
Rank #3 of 49 · paramountpeptides.com
76/100

Factor by factor

FactorLimitless BiotechParamount PeptidesEdge
Testing & certificates8288Paramount Peptides
Documentation depth1565Paramount Peptides
Transparency94100Paramount Peptides
Track record1939Paramount Peptides
Catalog7079Paramount Peptides
Pricing4065Paramount Peptides
Ordering & service4045Paramount Peptides

Fact sheets side by side

Limitless BiotechParamount Peptides
Overall score61/100 (#19)76/100 (#3)
StatusOperatingOperating
Based inPensacola, FLIrvine, CA
FoundedNot stated2012
Third-party testingYesYes
Laboratories namedNone namedJanoshik
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatsvials, nasal, capsules, blendsvials, capsules, blends
Catalog size—≈78
BPC-157 5 mg listed price——
Free shipping from—$500
PaymentsNot statedNot stated
Ships internationallyNot verifiedNo
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Both appear on: US-based suppliers · Suppliers with public certificates of analysis · Lot-level third-party testing · Suppliers with peptide blends · Suppliers with capsule formats.

The factor that separates them

The widest gap is documentation depth (15 vs 65). What that factor measures is explained in how to read a certificate of analysis and lot-level vs sample testing.

Related comparisons

Limitless Biotech vs Peptide Warehouse · Ascension Peptides vs Paramount Peptides · Limitless Biotech vs Verified Peptides

Frequently asked questions

Which is better, Limitless Biotech or Paramount Peptides?

On our formula Paramount Peptides scores higher (76 vs 61). The largest gap is in documentation depth (15 vs 65). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Limitless Biotech: yes. Paramount Peptides: yes. Lot-specific certificates — Limitless Biotech: yes; Paramount Peptides: yes.

Which is cheaper?

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