Alpha Peptides or Koi Peptides?
On our stars Koi Peptides comes out ahead, 3.6 to 3.4. 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
Alpha Peptides
- StatusTrading
- BasedNashua, NH
- Trading since2025
- Outside laboratoryYes
- Laboratory namedKovera Labs (COA link redirect), Analytical Formulations (COA host), Finnrick (Tesamorelin certificate)
- Certificates open to allYes
- Certificates per lotYes
- Reference vialNot listed
- Free shipping from$200
- Ways to paycard
- Ships abroadNo
- ShelfAbout 22; vials, blends
- FDA letterNone on record
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
Both companies sell materials labeled for laboratory research use only. Full reviews: Alpha Peptides · Koi Peptides.
Reader questions
So, Alpha Peptides or Koi Peptides?
On our stars Koi Peptides comes out ahead, 3.6 to 3.4. 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 price, where Koi Peptides leads.
Can I read a certificate from each before I order?
At Alpha Peptides the certificates are open to anyone and each one is tied to a lot. At Koi Peptides 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.