S
Checked · 9.3/10RUO brand

Synthesis Peptides

Veteran-owned, U.S.-based supplier of certified research peptides. Every batch third-party tested for purity and sterility. Premium vials and tablets, shipped fast.

9.3
Checked by MyDosage · Strong

caution

Read 2026-09-18 · https://synthesispeptides.co/ · read succeeded

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Claimed · responsivesince 2026-09-16

Someone at Synthesis Peptides proved they control the brand's own email domain and maintains this page. That is all it means — it is not a quality, testing or compliance claim, and it does not change the check score above.

Shipping
Not stated

Shipping regions not shared with MyDosage

Reachability
Last read 2026-09-18

We re-read shops periodically and keep every record

What we checked

Our reading of what we could observe — public records, their own pages, documents we hold, and our contact history. Not a lab test, not a certification, and never a claim about the people behind the business. Last reviewed 9/18/2026.

  • Who is behind it

    A named person at Synthesis Peptides claimed this page and maintains it here. Operating base given as US.

  • How the storefront reads

    We have their official domain on file, so a lookalike store using the same brand name can be told apart from this one.

  • Documents

    Nothing published about testing. We hold no documents from this seller, so we can say nothing about identity or amount.

  • Handling and shipping

    No shipping regions or handling practice stated to us.

Supply layer · Research-use-only supplier

Sold for laboratory research only and not approved for human use. Nobody guarantees the identity or the amount in the vial — this is where a check matters most.

US
About

Veteran-owned, U.S.-based supplier of certified research peptides. Every batch third-party tested for purity and sterility. Premium vials and tablets, shipped fast.

Catalog

47 products

DSIP
DSIP
DSIP
5 mg · 5 mg
PT-141
PT-141
PT-141
10 mg · 10 mg
SYN-3RT
SYN-3RT
SYN-3RT
5 mg · 5 mg
Research-use only. Not for human or veterinary use.