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

Limitless Biotech vs Peptide Perfection

Peptide Perfection scores higher, 72 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
Peptide Perfection
Rank #8 of 49 · peptideperfection.com
72/100

Factor by factor

FactorLimitless BiotechPeptide PerfectionEdge
Testing & certificates8296Peptide Perfection
Documentation depth1575Peptide Perfection
Transparency9494Even
Track record1911Limitless Biotech
Catalog7045Limitless Biotech
Pricing4055Peptide Perfection
Ordering & service4045Peptide Perfection

Fact sheets side by side

Limitless BiotechPeptide Perfection
Overall score61/100 (#19)72/100 (#8)
StatusOperatingOperating
Based inPensacola, FLSt. Petersburg, FL
FoundedNot statedNot stated
Third-party testingYesYes
Laboratories namedNone namedVanguard Laboratory
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatsvials, nasal, capsules, blendspens
Catalog size—≈10
BPC-157 5 mg listed price——
Free shipping from—$150
PaymentsNot statedNot stated
Ships internationallyNot verifiedNo
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

Read the full reviews: Limitless Biotech review · Peptide Perfection 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.

The factor that separates them

The widest gap is documentation depth (15 vs 75). What that factor measures is explained in how to read a certificate of analysis and lot-level vs sample testing.

Related comparisons

BioLongevity Labs vs Peptide Perfection · Koi Peptides vs Peptide Perfection · Limitless Biotech vs Peptide Warehouse

Frequently asked questions

Which is better, Limitless Biotech or Peptide Perfection?

On our formula Peptide Perfection scores higher (72 vs 61). The largest gap is in documentation depth (15 vs 75). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Limitless Biotech: yes. Peptide Perfection: yes. Lot-specific certificates — Limitless Biotech: yes; Peptide Perfection: yes.

Which is cheaper?

We could not compare a like-for-like listing; price tiers are unknown (Limitless Biotech) and premium (Peptide Perfection).