Peptide Referee

Great Northern Peptides review: is it legit?

Live (blocks automated checks) Transparency score 47/100* Checked Oct 15, 2026. Visit greatnorthernpeptides.com

Our findings in brief

In short: Great Northern Peptides scores 47/100 on the 5 of 6 checks we could complete, higher than 47% of the 192 active vendors we track. It isn't ranked, because its site blocks the automated checks we rank on.

We haven't lab-tested anything from Great Northern Peptides, so this covers public evidence only, not product quality. As of Oct 15, 2026:

The Great Northern Peptides site blocks automated checks, so 7 findings come from recent Internet Archive copies of its public pages. Each is dated in the evidence list below.

What checks out

What's missing or unverified

At a glance

Website
greatnorthernpeptides.com
Status
Live, but its site blocks automated checks. Our check on Oct 15, 2026 found a bot-protection page instead of the shop.
Domain registered
Aug 20, 2025 (13 months ago)
Registrar
Cloudflare, Inc.
Domain expires
Aug 20, 2027
First archived
Oct 31, 2025
Shop platform
WooCommerce
Ships to (stated)
Canada, worldwide
Payment (stated)
Not checked
COAs
Generic COAs only (Freedom Diagnostics)
Research-use disclaimer
No
Traffic rank (Tranco)
Outside the top 1 million

Transparency checks

Six checks of public information, worth 100 points. The score measures openness, not product quality. How we score.

CheckWhat we foundPointsEvidence
Domain age Registered Aug 20, 2025 (13 months old) 10/20 Registry record
Public certificates of analysis Only generic or sample COAs are public 12/25 COA page
Independent lab named on COAs Lab named: Freedom Diagnostics 10/10 COAs
Business identity No company name or address found 0/15 —
Shipping, refund and terms pages All three found 15/15 Shipping · Refund · Terms
Card or PayPal payment (buyer protection) Not checked yet (the site blocks automated checks) 0/15 —

Total: 47/100. One check couldn't be completed and scores 0 until we can verify it.

Great Northern Peptides prices compared

We don't have prices for Great Northern Peptides yet. Its site blocks automated checks, so we can't read its prices.

Alternatives to Great Northern Peptides

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 Great Northern 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 (13)