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

Alpha Peptides vs Core Peptides

Core Peptides scores higher, 74 to 71. The widest gap is track record. Same formula, same data fields, October 2026.

Alpha Peptides
Rank #9 of 49 · alpha-peptides.com
71/100
Core Peptides
Rank #4 of 49 · corepeptides.com
74/100

Factor by factor

FactorAlpha PeptidesCore PeptidesEdge
Testing & certificates9284Alpha Peptides
Documentation depth5140Alpha Peptides
Transparency100100Even
Track record1244Core Peptides
Catalog6387Core Peptides
Pricing4564Core Peptides
Ordering & service6265Core Peptides

Fact sheets side by side

Alpha PeptidesCore Peptides
Overall score71/100 (#9)74/100 (#4)
StatusOperatingOperating
Based inNashua, NHOrlando, FL
Founded20252019
Third-party testingYesYes
Laboratories namedKovera Labs (COA link redirect), Analytical Formulations (COA host), Finnrick (Tesamorelin certificate)Vanguard Laboratory
Public certificatesYesYes
Lot-specific certificatesYesYes
Formatsvials, blendsvials, blends, topical
Catalog size≈22≈104
BPC-157 5 mg listed price—$52
Free shipping from$200$200
Paymentscardcard
Ships internationallyNoNo
Research-use disclaimerYesYes
FDA warning letterNone foundNone found

Read the full reviews: Alpha Peptides review · Core 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 that take card payments · Suppliers with peptide blends.

The factor that separates them

The widest gap is track record (12 vs 44). Track record includes FDA letters; see how to check an FDA warning letter.

Related comparisons

Core Peptides vs Pure Peptide Labs · Alpha Peptides vs BioLongevity Labs · Alpha Peptides vs Koi Peptides

Frequently asked questions

Which is better, Alpha Peptides or Core Peptides?

On our formula Core Peptides scores higher (74 vs 71). The largest gap is in track record (12 vs 44). "Better" depends on what you weight; both fact sheets are on this page.

Do both publish certificates of analysis?

Alpha Peptides: yes. Core Peptides: yes. Lot-specific certificates — Alpha Peptides: yes; Core Peptides: yes.

Which is cheaper?

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