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

Limitless Biotech vs Pure Peptide Labs

Pure Peptide Labs scores higher, 70 to 65. The widest gap is ordering & service. Same formula, same data fields, October 2026.

Limitless Biotech
Rank #17 of 49 · limitlesslifenootropics.com
65/100
Pure Peptide Labs
Rank #10 of 49 · purepeptidelabs.shop
70/100

Factor by factor

FactorLimitless BiotechPure Peptide LabsEdge
Testing & certificates8289Pure Peptide Labs
Transparency9486Limitless Biotech
Track record1919Even
Catalog7071Pure Peptide Labs
Pricing4050Pure Peptide Labs
Ordering & service4070Pure Peptide Labs

Fact sheets side by side

Limitless BiotechPure Peptide Labs
Overall score65/100 (#17)70/100 (#10)
StatusOperatingOperating
Based inPensacola, FLCedar Park, TX
FoundedNot stated2024
Third-party testingYesYes
Laboratories namedNone namedFreedom Diagnostics, Kovera Labs, MDx BioAnalytical Laboratory, Precision Mass Spec
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatsvials, nasal, capsules, blendsvials, blends
Catalog size—≈63
BPC-157 5 mg listed price——
Free shipping from—$0
PaymentsNot statedcard, ach
Ships internationallyNot verifiedNo
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

Read the full reviews: Limitless Biotech · Pure Peptide Labs. Both suppliers sell materials labeled for laboratory research use only.

Frequently asked questions

Which is better, Limitless Biotech or Pure Peptide Labs?

On our formula Pure Peptide Labs scores higher (70 vs 65). The largest gap is in ordering & service (40 vs 70). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

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

Which is cheaper?

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