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 Simple Peptide

Simple Peptide scores higher, 69 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
Simple Peptide
Rank #12 of 49 · simplepeptide.com
69/100

Factor by factor

FactorLimitless BiotechSimple PeptideEdge
Testing & certificates8275Limitless Biotech
Transparency94100Simple Peptide
Track record1939Simple Peptide
Catalog7057Limitless Biotech
Pricing4040Even
Ordering & service4075Simple Peptide

Fact sheets side by side

Limitless BiotechSimple Peptide
Overall score65/100 (#17)69/100 (#12)
StatusOperatingOperating
Based inPensacola, FLDelray Beach, FL
FoundedNot stated2019
Third-party testingYesYes
Laboratories namedNone namedFreedom Diagnostics Testing (Franklin, TN)
Public certificatesYesNot verified
Lot-specific certificatesYesYes
Formatsvials, nasal, capsules, blendsvials, strips, oral, skincare
Catalog size——
BPC-157 5 mg listed price——
Free shipping from——
PaymentsNot statedcard, bank
Ships internationallyNot verifiedNo
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Frequently asked questions

Which is better, Limitless Biotech or Simple Peptide?

On our formula Simple Peptide scores higher (69 vs 65). The largest gap is in ordering & service (40 vs 75). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Limitless Biotech: yes. Simple Peptide: not verified. Lot-specific certificates — Limitless Biotech: yes; Simple Peptide: yes.

Which is cheaper?

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