Koi Peptides or Receptor Chem?
On our stars Koi Peptides comes out ahead, 3.6 to 3.0. Both let you open a certificate before you spend anything, so paperwork will not separate them for most buyers. Both take cards.
At a glance
Koi Peptides
- StatusTrading
- BasedSheridan, WY (registered address); warehouses Austin, TX and Long Beach, CA
- Trading since2022
- Outside laboratoryYes
- Laboratory namedFreedom Diagnostics
- Certificates open to allYes
- Certificates per lotYes
- Reference vialNot listed
- Free shipping from$200
- Ways to paycard, ach, wire
- Ships abroadYes
- ShelfNot counted; vials
- FDA letterNone on record
Receptor Chem
- StatusTrading
- BasedStanmore, London
- Trading since2011
- Outside laboratoryLimited
- Laboratory namedNone
- Certificates open to allYes
- Certificates per lotNot verified
- Reference vialNot listed
- Free shipping fromNot stated
- Ways to paycard, wire, crypto
- Ships abroadYes
- ShelfNot counted; vials, bulk, blends
- FDA letterNone on record
Both companies sell materials labeled for laboratory research use only. Full reviews: Koi Peptides · Receptor Chem.
Reader questions
So, Koi Peptides or Receptor Chem?
On our stars Koi Peptides comes out ahead, 3.6 to 3.0. 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 Koi Peptides leads.
Can I read a certificate from each before I order?
At Koi Peptides the certificates are open to anyone and each one is tied to a lot. At Receptor Chem the certificates are open to anyone.
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.