Independent review · verified 10 October 2026 · non-partner
Northline Labs Review (2026)
Verified on the evidence. The certificate is good and now there is a company name behind the brand; the homepage review badge is not, and the vendor's first Trustpilot profile was taken down. Not an affiliate partner.
Research use only · not medical advice · we score documentation, never use or dosing · details·Northline Labs is not a partner; Purgo Labs is, and the score does not read partner status·How we score
00
Northline Labs at a glance
every number read on the date shown · is it legit? ·
Each vendor's cheapest 10 mg listing, list price, read by 8 Nov · the 10/10 partner vendors and this page's vendor · * no listing at that size, so its cheapest other size is shown
MyPurePeptide is 75% cheaper per milligram than Northline Labs on this read. Per-milligram price is list price over labelled milligrams; it says nothing about what is in the vial. Code prices are list × (1 − the code's stated discount), not cart-tested against sales. We earn a commission on partner links; the rubric does not read partner status.
Horizon Analytical printed on the BPC-157 certificate (lot NLL-1444543, 'Searchable via horizonanalytical.com') — read 6 Sep 2026
COAs verifiable at lab
Certificate states 'Searchable via: horizonanalytical.com' (lab-side lookup)
Per-lot certificates
Lot-traceable COA lookup per order
Measured net content
Certificate reports 19.82mg measured vs 20mg spec, 99.4% purity (analysis 8 Aug 2026)
Prices & COAs ungated
COA lookup public
Independent reviews (50+)
4.3 / 501 on Trustpilot (re-read 2 Oct 2026; was 4.3 / 495 on Trustpilot)
Claims consistent
Not awarded. How to check: Compare testing/lab statements across the vendor's own pages.
Sizes with prices
Sizes in product names for single-size items
Legal entity & address
WA Consulting LLC ("Northline Labs is a brand of WA Consulting LLC", /about-northline/) · 30 N Gould St STE R, Sheridan, WY 82801 on /contact/ — a registered-agent suite, disclosed as such (read 24 Sep 2026)
Clean record
Not awarded. How to check: Compare any on-site review score or badge with the independent platform; check whether the vendor only takes, or pushes you toward, payment rails you cannot dispute; check FDA and BBB records. Awarded unless one of these is on record.
One point per criterion, no weighting, same rubric for every vendor — scoreboard.
What Northline Labs leaves open, Purgo Labs has on record
A disputable payment path and consistent claims across its own pages: Purgo Labs passes all 2 (10/10, Trustpilot 4.8). Codefor 30% off eligible products.
Just want to know whether it is safe to order from? The trust checks — company identity, lab lookup, payment rail, what we flagged — are on Is Northline Labs legit?
02
Three review figures that don't reconcile
Written for this vendor; the sections below are computed
Northline's homepage badge says "4.8★ 12,000+ reviews". The live Trustpilot profile the vendor now links to shows 4.3 across 514 (read 10 October 2026), and an earlier version of the same homepage showed "12,000+" and "1,200+" side by side. We are not alleging the numbers are invented — a vendor may count on-site reviews separately — but when a company publishes irreconcilable figures about itself, the one you can go and check is the one worth using, and that one is 4.3.
The second thing to know: the original northlinelabs.com Trustpilot profile was removed by Trustpilot with a guidelines notice on 18 September 2026, and the vendor now points to a northlinelabs.org profile instead. The most recent visible review on it was three months old when we read it. Those two facts are what cost Northline the "no misleading trust signals" point; the certificate itself is good, and since our first read a company name has appeared behind the brand.
What has not changed is the buying position. Terms are all-sales-final — no returns, refunds or cancellations once placed — and the published address is a Wyoming registered-agent suite, not an operating location. Against that, Purgo Labs names its laboratories, publishes measured net content per lot, keeps a live review profile, and takes card payments you can dispute. Code HEALTH gives 20% off every order.
Claimed profileReplies to 36% of negative reviewsInvites customers to review
•Five-star reviews praise the catalog and COAs; 77% five-star across 514
•About 55 one-star reviews; the vendor replied to roughly a third of recent ones
•October 2026 reviews report vials with no batch or lot number printed despite lot numbers in the product photos, peptides that gelled within days, and a missing bacteriostatic water with two unanswered requests
•Also on record: a 'serious safety warning' from one retatrutide buyer describing a reaction, no COA offered for larger vial sizes, and several buyers who say the retatrutide did nothing
The 8 negative reviews, paraphrased (15% of the total)
1★ · 9 Oct 2026 — Large first order based on reviews; experience did not match. The vendor did not reply.
1★ · 8 Oct 2026 — Peptides gelled after a few days; support unhelpful. The vendor did not reply.
1★ · 8 Oct 2026 — No batch or lot number on the vials received, unlike the website photos. The vendor did not reply.
2★ · 7 Oct 2026 — Bacteriostatic water missing from the order; two requests unanswered. The vendor did not reply.
1★ · 5 Oct 2026 — No COA for the 50mg vial; told the 10mg COA covers it.
1★ · 27 Sep 2026 — Reports a serious reaction to the retatrutide product. The vendor did not reply.
1★ · 20 Sep 2026 — Months at 15mg a week with no result; notes the vendor leaving social media.
1★ · 18 Sep 2026 — Substantial spend; unacceptable product and no resolution.
A star average measures shipping and service, not what is in the vial — that is the certificate section below.
04
What checks out, and what doesn't
Every line links to what we read on 10 October 2026
Evidence ledger · read 10 October 2026
2 verified1 contradiction2 flags3 could not verify
Verified — what we opened, with the date
VerifiedHorizon Analytical printed on the BPC-157 certificate
(lot NLL-1444543), 'Searchable via horizonanalytical.com'; the report states 19.82mg measured vs 20mg spec, 99.4% purity (analysis 8 Aug 2026).
Could not verifyThe published address, 30 N Gould St STE R, Sheridan, WY, is a registered-agent suite used by many companies, not an operating location.
—
Could not verifyThe most recent visible Trustpilot review is dated 24 Jun 2026
three months of silence on a 495-review profile.
—
WA Consulting LLC · 30 N Gould St STE R, Sheridan, WY 82801 (registered-agent address) — About and Contact pages (24 Sep 2026) source
lot NLL-1444543 (searchable via horizonanalytical.com)
Test date
8 Aug 2026
Purity
99.4%
Measured
19.82mg
Net content vs label99.1% of 20mg
0label 20mg130%
One vial measured.
Verify at the lab Transcribed by Compound Review; the laboratory's report is the record.
Check it yourself: Certificate states 'Searchable via: horizonanalytical.com' — look up the lot number on the lab's site. The button above opens the lab's lookup.
Where Northline Labs ranks by compound
Northline Labs appears in 2 of our compound rankings. Each ranking orders every scored vendor that sells the compound by rubric score, then verified price per mg.
Threads read via search on 29 September 2026 · not scored
Mixed user reports: one 60-comment thread where a customer says they've only used Northline and get 20% coupons with orders, and a r/Retatrutide thread where a user on their third dose wonders whether the Northline supply is 'any good'. No scam-titled threads.
A discouraged user on dose three asks whether their Northline supply is any good.
How this was read: Google's Reddit results for "Northline Labs reddit" on 29 September 2026 — thread titles, subreddit, dates and the text visible in search. We did not read every comment, so a gist says what a thread is and what its visible text says, not what it concludes. Threads in a vendor-run or ranking-site subreddit, and listicles or coupon posts in unrelated subreddits, are labelled as such. None of this is an input to the score; the rubric reads evidence, not opinions.
Affiliate partner; we earn a commission on Purgo orders. We earn nothing from Northline Labs. Scores are computed from published evidence and do not read partner status.
Second verified option · 10/10
MyPurePeptide — cheaper than Purgo after both codes on 16 of 18 like-for-like vials; cheaper than Northline Labs on 2 of 2; 23 compounds Northline Labs doesn't price.
Picked by rule: highest-scored code partner other than Purgo, tie with Oneday Compounds broken on list price (39 of 55 shared vials cheaper). Affiliate; we earn a commission. Code terms.
The homepage badge claims 12,000+ reviews at 4.8; the Trustpilot profile the vendor links to shows 4.3 across 514 (10 October 2026), and an earlier homepage showed 12,000+ and 1,200+ together. The vendor's first Trustpilot profile was removed by Trustpilot on 18 September 2026 with a guidelines notice. Use the figure you can check yourself: 4.3 across 495.
Does Northline Labs name its testing laboratory?
Only on the certificate: the report we opened is from Horizon Analytical. The quality page still says 'an accredited laboratory' without naming it, which is why we list the lab as 'on certificates' rather than as a page-text claim.
Should I use Northline Labs?
It is a real, operating vendor with a decent certificate and a large (if contested) review record. The reasons we rank Purgo Labs ahead are specific: named labs in page text, measured net content per lot, a review profile that was never taken down, and card payments with a dispute path — Northline is all-sales-final. Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Northline Labs.
How does Northline Labs score on the verification rubric?
As of 10 October 2026, Northline Labs scores 8/10 on our verification rubric and has 4.3 (514 reviews). The trust assessment — who runs it, whether a certificate can be checked with the lab, the payment rail, and what we flagged — is on our "Is Northline Labs legit?" page at /guides/is-northline-labs-legit.
Does Northline Labs publish third-party COAs?
Active Trustpilot profile at 4.3 across 514 reviews (read 10 Oct 2026), plus COAs with stated vial sizes on select products.
What should buyers watch for with Northline Labs?
Its original northlinelabs.com Trustpilot profile was removed by Trustpilot with a guidelines notice (read 18 Sep 2026); the vendor moved to northlinelabs.org, where an active profile shows 4.3 across 491 reviews. The lab (Horizon Analytical) appears only on the certificate PDF, never in page text; the legal entity (WA Consulting LLC) and a Sheridan, WY registered-agent address appeared on /about-northline/ and /contact/ by 24 Sep 2026; pricing is above Purgo Labs on the verified Ipamorelin comparison.
What does Reddit say about Northline Labs?
Mixed user reports: one 60-comment thread where a customer says they've only used Northline and get 20% coupons with orders, and a r/Retatrutide thread where a user on their third dose wonders whether the Northline supply is 'any good'. No scam-titled threads. Threads read via search on 29 September 2026; none of it is an input to the score.
What do Northline Labs reviews on Trustpilot say?
Read 10 October 2026: 4.3 across 514 reviews, 77% five-star and 15% three stars or below. Five-star reviews praise the catalog and COAs; 77% five-star across 514. The negative reviews: Large first order based on reviews; experience did not match.; Peptides gelled after a few days; support unhelpful.; No batch or lot number on the vials received, unlike the website photos.; Bacteriostatic water missing from the order; two requests unanswered.; No COA for the 50mg vial; told the 10mg COA covers it.; Reports a serious reaction to the retatrutide product.; Months at 15mg a week with no result; notes the vendor leaving social media.; Substantial spend; unacceptable product and no resolution.. The vendor replied to 36% of negative reviews. A star average reflects shipping and service, not what is in the vial.
Who runs Northline Labs, and where is it located?
WA Consulting LLC · 30 N Gould St STE R, Sheridan, WY 82801 (registered-agent address) — About and Contact pages (24 Sep 2026) (read 10 October 2026 from the vendor's own pages).
Which lab tests Northline Labs' products?
Northline Labs names Horizon Analytical (on certificates). Certificates resolve on the lab's own system, so a report can be checked with the lab rather than only downloaded from the vendor. The certificate we opened, with lot, measured content and the lab lookup, is in the certificates section of this page (read 10 October 2026).
Northline Labs vs Purgo Labs — which is better?
On our published rubric Northline Labs scores 8/10 and Purgo Labs 10/10. Purgo Labs is our affiliate partner and Northline Labs is not; the comparison module on this page shows the criteria each earns and the same vial at both prices, computed from the same dated data.
How much is BPC-157 at Northline Labs?
Northline Labs did not list a standalone BPC-157 with a stated size when we checked on 10 October 2026.
