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

Alpha Peptides vs Pure Peptide Labs

Pure Peptide Labs scores higher, 74 to 71. The widest gap is documentation depth. Same formula, same data fields, October 2026.

Alpha Peptides
Rank #9 of 49 · alpha-peptides.com
71/100
Pure Peptide Labs
Rank #5 of 49 · purepeptidelabs.shop
74/100

Factor by factor

FactorAlpha PeptidesPure Peptide LabsEdge
Testing & certificates9289Alpha Peptides
Documentation depth5183Pure Peptide Labs
Transparency10086Alpha Peptides
Track record1219Pure Peptide Labs
Catalog6371Pure Peptide Labs
Pricing4550Pure Peptide Labs
Ordering & service6270Pure Peptide Labs

Fact sheets side by side

Alpha PeptidesPure Peptide Labs
Overall score71/100 (#9)74/100 (#5)
StatusOperatingOperating
Based inNashua, NHCedar Park, TX
Founded20252024
Third-party testingYesYes
Laboratories namedKovera Labs (COA link redirect), Analytical Formulations (COA host), Finnrick (Tesamorelin certificate)Freedom Diagnostics, Kovera Labs, MDx BioAnalytical Laboratory, Precision Mass Spec
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatsvials, blendsvials, blends
Catalog size≈22≈63
BPC-157 5 mg listed price——
Free shipping from$200$0
Paymentscardcard, ach
Ships internationallyNoNo
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

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

Frequently asked questions

Which is better, Alpha Peptides or Pure Peptide Labs?

On our formula Pure Peptide Labs scores higher (74 vs 71). The largest gap is in documentation depth (51 vs 83). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Alpha Peptides: yes. Pure Peptide Labs: yes. Lot-specific certificates — Alpha Peptides: yes; Pure Peptide Labs: yes.

Which is cheaper?

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