Peptide Referee

Is Core Peptides down? Status, history and alternatives

Site down Checked Oct 15, 2026.

The Core Peptides site is down. Unreachable since at least Oct 14, 2026. Our check on Oct 15, 2026 found server errors (HTTP 520) even on robots.txt; may be temporary.

Looking for a replacement? Jump to alternatives.

Be careful with any site using the Core Peptides name now: after a vendor closes, look-alike sites often reuse its name or domain. Check the domain's registration date and whether it's the same business before paying (how to check a vendor).

At a glance

Website
corepeptides.com
Status
Site down
Domain registered
Oct 13, 2019 (7 years ago); archive copies go back to May 2014, so it was in use before
Registrar
Tucows Domains Inc.
Domain expires
Oct 13, 2030
First archived
May 17, 2014
Traffic rank (Tranco)
449,089 (1 = the most visited site)

Core Peptides alternatives

Live vendors, ranked by transparency score. Payments from vendors never affect this order.

# Vendor Status Transparency Domain age COAs Ships to Prices tracked Lab tests
1 Pure Peptide Labs Live 90/100 12 months Batch COAs public US, worldwide 44 —
2 Peptidology Live 90/100 22 months Batch COAs public US 3 —
3 Coastal Peptides Live 88/100 2.8 years Batch COAs public US, Canada — —
4 Eros Peptides Live 87/100 3.4 years Generic COAs only US 14 —
5 Nationwide Peptides Live 85/100 11 months Batch COAs public US 38 —

Is something wrong?

If you run Core Peptides, or you have evidence that something here is out of date, email [email protected] with a link to the evidence. We re-check within five business days and log every change on our corrections page.

Evidence we used (14)