PEPTIDE CORPUS

International vendor

Great Northern Peptides

Top-ranked Canadian distributor with Freedom Labs testing, competitive pricing, and 1-3 day express shipping nationwide.

Last updated

Scored 8.0 8.0 of 10 overall, across 8 dimensions how scores are derived

Score breakdown

Dimension scores are editorial, carried from the operator's earlier directory — they are not user reviews. Each label links to what the dimension measures.

About Great Northern Peptides

Great Northern Peptides is ranked as the number one independent Canadian peptide distributor, offering one of the most competitive price points in Canada across a wide product catalog. All peptides are independently tested by Freedom Labs (USA) with COAs posted publicly, verifying purity, potency, and accurate dosing. The company ships express nationwide with 1-3 day delivery from within Canada, and will reship lost orders at no charge. GNP is active on MESO-Rx forums and has built a strong community presence over 2+ years of operation. Their catalog spans healing peptides, GLP-1 agonists, growth hormone secretagogues, anti-aging compounds, and accessories.

Written for the operator's previous directory and reproduced unchanged (markup and emoji stripped); the rest of this site does not share its voice. Ported observed .

From the storefront 8

Ranked by the store's own popularity sort, observed . Accessories — diluent water, shipping protection and the like — are excluded. Prices are the storefront's own; the storefront is authoritative.

Catalogue, as their API returns it 8

observed via their public storefront API

ProductPriceRegularCurrency
Retatrutide 20mg (2 vials) 250 CAD
Retatrutide 20mg 150 CAD
Klow Blend 80mg 110 CAD
MOTS-c 40mg 120 CAD
GHK-CU 100mg 65 CAD
CJC-1295 (no DAC) 5mg / Ipamorelin 5mg 65 CAD
Healing Blend 20mg 90 CAD
BPC-157 10mg 65 CAD

Every row is as the feed returned it, in the store's own currency. Where a regular price sits above the current price both figures show; the storefront is authoritative.

Strengths and weaknesses

Where it does well

  • Ranked

Where it falls short

None recorded.

Carried verbatim from the source directory's editorial review, observed .

Shipping

Destinations
  • Canada
Countries Served
Canada observed
Domestic Shipping
Contact vendor observed
Estimated Delivery
Domestic: 1-3 business days observed
Free shipping
No
Reship guarantee
Not on file
Refund policy
Not on file

Payments

  • crypto

Coupons

No current code on file. Codes are published only with the code, the discount, a source and the date we saw it, and expired codes are removed at build — the coupon policy. 0 are on file site-wide today.

Certificates of analysis

Third-party tested
Yes
Publicly accessible
Yes
Test types
  • HPLC
  • Mass Spectrometry
Source's COA tier
third-party

Independently tested by Freedom Labs (USA). COAs are publicly posted on the website verifying purity, potency, and accurate dosing for all products. observed

A COA describes one batch's purity. It is a document about a vial, not evidence about an effect, and it never grades a claim on this site — the grading rubric names what qualifies.

Peptides listed 31

Linked names have a record here; the others we hold nothing on yet. A vendor listing a compound says nothing about the evidence for it.

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