Overview
Independence-firewalled vendor profile · Trust Index computed from cited factsGreat Northern Peptides
greatnorthernpeptides.comActiveResearch use onlyCanada-based research-peptide supplier, research-grade, founded 2025. Publishes certificates of analysis. Third-party tested. Identity and claims are vendor-stated unless cited. Research use only.
Some cited facts on file, but not enough independently-verified evidence to compute a precise index. No adverse records on file.
A transparency readout of 19 cited facts — never sold, never sorts the directory; not a safety verdict (RUO). How it’s computed →
Catalog breadth
External rating
COA policy
Operating status
Trust Index breakdown
The Trust Index weighs five evidence pillars — purity claims-vs-reality, testing transparency, enforcement conduct, operational accountability and reputation integrity — into a single 0–100 factor. Nothing here can be bought.
Evidence at a glance
- Products listed
- 7
- Publishes COAs
- Yes
- Independent tests tracked
- 0
- Enforcement records
- 0
- Cited sources
- 19
Methodology & independence
No affiliate relationship with this vendor.
Legitimacy signals
- Official domain
- greatnorthernpeptides.com
- Payment
- Crypto
- Third-party testing
- Yes
- Published COAs
- Yes
- HQ disclosed
- CA-AB
- Sponsored placement
- No
Vendor details
- Founded (claimed)
- 2025
- Domain registered
- 2025-08-20
- HQ
- CA-AB
- Address
- Edmonton, AB, Canada (per The Peptide Alliance directory; no street address is published on the vendor site)
- Ships from
- CA
- Ships to
- CA
- Categories
- Peptides · GLP-1 / Weight loss · Growth hormone secretagogues · Healing · Anti-aging / Longevity · Blends · Accessories
- Grade claimed
- research
- Website
- greatnorthernpeptides.com
WHOIS: TENURE CONFLICT — the vendor repeatedly claims long operation ('proudly serving local customers for over two years', and on MESO-Rx an operator claim of 'over a decade' on the forum and 'over two years' in business). These are contradicted by: (1) the .com domain registered only 2025-08-20 (Hostinger); (2) the vendor's OWN launch blog post dated 2025-10-29 stating 'Today marks the beginning of Great Northern Peptides' journey in Canada'; and (3) Metrix.bio listing it as 'established 2025'. Best-evidence founding is 2025; the multi-year tenure claims appear overstated and are a credibility red flag. greatnorthernpeptides.com
Products & price
Vendor-listed prices, dated & cited — no ranking, no commissionProduct catalog & pricelist
7 representative listings captured on 2026-06-27. Prices are vendor-listed and dated; price-per-mg is a unit price, not a ranking. No commission is earned and no vendor is ranked. Research use only.
Prices captured 2026-06-27 from the live catalog and are in CAD (Canadian-domestic vendor). priceUsd is left null and a parallel priceCad field carries the figure, to avoid implying USD pricing in the US partition. Representative SKUs: Retatrutide 20 mg C$150 / 40 mg C$225 (2-vial bundle C$250), BPC-157 10 mg C$65, CJC-1295/Ipamorelin 5 mg blend C$65, Tesamorelin C$80–140, Klow Blend 80 mg C$110, Glow Blend 70 mg C$100. Metrix.bio indexes 36 products at an average ~C$5.25/mg (~10% below its market average); Peptide Protocol Wiki cites 31+ peptides spanning C$10–165 per unit. Peptides ship as lyophilized powder in 3 ml sterile vacuum-sealed vials (NAD+ in 10 ml).
Price-per-mg snapshot
Deals & bulk pricing
Price snapshot
Shipping & fulfillment
- Ships from
- CA
- Ships to
- CA
- Domestic shipping
- Yes
- Ship speed
- ~3 days domestic
- Carriers
- Canada Post Express (Express Post)
- Cost
- C$20 flat (per the shipping-policy page). The homepage/most-competitive-prices pages additionally advertise free shipping over C$250, free shipping + 10% off over C$500, and free shipping + 20% off over C$1000 — captured from a search snippet and NOT re-confirmed on direct fetch (unverified).
- Payment
- Crypto
Reship / seizure: Vendor / review sites state lost orders are reshipped at no charge (not re-confirmed on a vendor policy page).
Watch & alerts
Quality & COA verification
COA & testing practices
What this vendor proves about identity, purity & potency
Methods: HPLC stated on product pages (e.g., Retatrutide 'purity 99%+ verified by HPLC'); Peptide Protocol Wiki additionally cites mass spectrometry, but the vendor's own 'Setting the Gold Standard' quality page does not name analytical methods. Community (MESO-Rx) flagged the absence of endotoxin/sterility testing. Lab: Freedom Diagnostics Lab (USA).. Labs: Freedom Diagnostics Lab (USA).
COA repository · published lab results
Independent test results
Authenticity & anti-spoofing
Official domain: greatnorthernpeptides.com
Only order from the official domain. Research-chem vendors are frequently impersonated by typosquats — verify the URL before purchase.
Known domain variants
Reputation & sentiment
Online sentiment
Forum sentiment: mixed · unverified
A coarse community read, not a measured score. Platforms can be gamed — corroborate.
Reddit & community
2 community mentions — disclaimed UGC, each linked. Sentiment is reported, not measured.
Review sites
6 platforms on record — scores differ by scale; read the notes
Affiliate-style editorial composite 8.0/10 ('Excellent'); sub-scores: product range/pricing/shipping 9.0, COA/transparency/community 8.5, payment flexibility 3.0 (single method). Not an independent assay; recorded as a Layer B aggregator score, not adopted by PeptideCompass.
Catalog/price index: 36 products, average ~C$5.25/mg, ~10% below the site's market average; lists 'established 2025'. A pricing index, not a quality rating.
Algorithmic 30.4/100 'Medium Risk' — recommends caution, citing factors associated with phishing/spam engines and a recently-registered domain. Algorithmic only (page itself 403s to direct fetch; figure via search snippets).
Algorithmic 'legit / high trust, valid SSL' — a lenient checker; not an endorsement and conflicts with Scam Detector.
Algorithmic 72/100 'legit', but flags the domain as only ~6 months old and advises verifying authenticity.
Directory listing (Edmonton, AB) marked a 'verified peptide brand'; no customer reviews on the listing.
No Trustpilot or BBB profile located (Canadian, ~8-month-old brand). Reputation is thin and split: peptide affiliate/review sites are positive (Peptide Protocol Wiki composite 8.0/10), while the primary MESO-Rx community thread (Nov 2025) is skeptical-to-negative — members dispute the 'most competitive in Canada' pricing claim (citing far cheaper international/Chinese-domestic sources), call the 'Canadian domestic' framing into question, and debate the adequacy of testing (no endotoxin/sterility). Algorithmic scam-checkers disagree (Scam Detector 'Medium Risk' vs ScamAdviser/GridinSoft 'legit'). Treat all as Layer B.
User reviews
Press & media
Trust, risk & enforcement
Enforcement & legal history
Warning letters, raids, shutdowns, BBB actions — cited or omitted
We publish negative records only with a source, and offer vendors a right of reply.
Buyer safety checklist
5 of 6 checks clear · derived from vendor-stated data.
Operating status & continuity
- Status
- Active
- Last confirmed
- 2026-06-27
- US-facing
- No
- Domain history
- 1 variants on record
- Known rebrands / aliases
- Migrated to greatnorthernpeptides.com (2025-08-20)
TENURE CONFLICT — the vendor repeatedly claims long operation ('proudly serving local customers for over two years', and on MESO-Rx an operator claim of 'over a decade' on the forum and 'over two years' in business). These are contradicted by: (1) the .com domain registered only 2025-08-20 (Hostinger); (2) the vendor's OWN launch blog post dated 2025-10-29 stating 'Today marks the beginning of Great Northern Peptides' journey in Canada'; and (3) Metrix.bio listing it as 'established 2025'. Best-evidence founding is 2025; the multi-year tenure claims appear overstated and are a credibility red flag.
If they disappear: prepaid / crypto orders carry no recourse if any research-chem vendor changes domains or shuts down with little notice.
Scam & non-delivery reports
Compare & discover
Compare vendors
See Great Northern Peptides side-by-side with every vendor on the directory — COA practices, testing, shipping, enforcement history.
Similar vendors
Best value for
Cross-vendor price ranking is intentionally not computed
Compliance, meta & tools
Jurisdiction & legality
- Ships to
- CA
- US-facing
- No
- Gating
- Commercial links suppress where a compound is restricted in your region
Commercial CTAs are jurisdiction-gated; reference content stays visible everywhere (RUO).
Independence & disclosure
- Affiliate
- No
- Sponsored placement
- None
- Effect on Trust Index
- None — sponsorship & affiliate are excluded by construction
No affiliate or sponsorship relationship on record.
Data confidence & provenance
- Reviewed by
- PeptideCompass editorial
- Sources
- 19 cited
- Captured
- 2026-06-27
- Provenance
- web_research + adversarial_verification + first_party_browse
View 19 sources
FAQ
Where does Great Northern Peptides ship, and how?
How old is Great Northern Peptides, and is the 'over two years' claim accurate?
Does Great Northern Peptides test its products, and how?
What payment methods does Great Northern Peptides accept?
Citable summary (GEO)
Great Northern Peptides (greatnorthernpeptides.com) is a Canada-based research-peptide vendor. Publishes COAs and is third-party tested. No enforcement actions on record. PeptideCompass Trust Index: Thinly Documented — Cited facts on file, but no allowlisted independent assay yet — a precise index is withheld.. Data is community and dated 2026-06-27. The Trust Index is an evidence-transparency readout of cited facts — not a safety verdict, never sold. Research use only.
JSON-LD: Organization · BreadcrumbList · FAQPage. Computed from cited facts, never sold.