October 2026 issue · Editors' star ratings, never reader reviews · How we rate
Rated.Peptides

A buyer's magazine for research peptide suppliers

Head to head · October 2026

Ascension Peptides or Pure Peptide Labs?

On our stars Ascension Peptides comes out ahead, 3.7 to 3.5. Both let you open a certificate before you spend anything, so paperwork will not separate them for most buyers. Both take cards.

3.7 / 5
Editors’ rating, not reader reviews
Paperwork5.0
Company2.7
Price3.0
Shopping3.7
3.5 / 5
Editors’ rating, not reader reviews
Paperwork4.5
Company2.7
Price2.5
Shopping3.6

At a glance

Ascension Peptides

  • StatusTrading
  • BasedKansas City, MO (mailing address on contact page)
  • Trading sinceNot published
  • Outside laboratoryYes
  • Laboratory namedKovera Labs, MZ Biolabs
  • Certificates open to allYes
  • Certificates per lotYes
  • Reference vialNot listed
  • Free shipping fromNot stated
  • Ways to paycard, ach
  • Ships abroadNo
  • ShelfAbout 42; vials, blends
  • FDA letterNone on record

Pure Peptide Labs

  • StatusTrading
  • BasedCedar Park, TX
  • Trading since2024
  • Outside laboratoryYes
  • Laboratory namedFreedom Diagnostics, Kovera Labs, MDx BioAnalytical Laboratory, Precision Mass Spec
  • Certificates open to allYes
  • Certificates per lotYes
  • Reference vialNot listed
  • Free shipping from$0
  • Ways to paycard, ach
  • Ships abroadNo
  • ShelfAbout 63; vials, blends
  • FDA letterNone on record

Both companies sell materials labeled for laboratory research use only. Full reviews: Ascension Peptides · Pure Peptide Labs.

Reader questions

So, Ascension Peptides or Pure Peptide Labs?

On our stars Ascension Peptides comes out ahead, 3.7 to 3.5. Both let you open a certificate before you spend anything, so paperwork will not separate them for most buyers. Both take cards. The widest gap between them is in paperwork, where Ascension Peptides leads.

Can I read a certificate from each before I order?

At Ascension Peptides the certificates are open to anyone and each one is tied to a lot. At Pure Peptide Labs the certificates are open to anyone and each one is tied to a lot.

Are these reader reviews?

No. Both ratings come from our published formula applied to facts on each supplier’s own pages and in public records. Nobody can submit a rating here.