Verdict: Purgo Labs, on the evidence: 10/10 rubric points against 8/10. Northline Labs is stronger on 3 points listed below.
Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Northline Labs. Scores are produced by the published rubric, which has no partnership input.
One point each, no weighting. The evidence text is what we read and when.
Only rows where both vendors list the same compound at the same size, read on each vendor's product page on the date shown, before any code. Coded-name products with unstated identity are excluded.
| Compound | Purgo Labs | Northline Labs | Lower |
|---|---|---|---|
| Ipamorelin 10mg | $54.99 (2026-08-03) | $74.99 (2026-08-06) | Purgo Labs |
| TB-500 10mg | $49.99 (2026-08-14) | $99.99 (2026-08-06) | Purgo Labs |
Purgo list prices fall 20% with code HEALTH. Confirm in the cart.
Read on 24 September 2026 on the vendor's own pages and the independent platforms linked. These are the findings behind the 8/10 above — not a summary of the vendor's marketing.
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.
WA Consulting LLC · 30 N Gould St STE R, Sheridan, WY 82801 (registered-agent address) — About and Contact pages (24 Sep 2026) · source
| Product · lot | Lab | Purity | Measured vs label | Verify |
|---|---|---|---|---|
| BPC-157 20mg | Unnamed | 99.4% | 19.82 mg99.1% of label | vendor-hosted |
Each row is a certificate we opened and read ourselves; "verify at the lab" goes to the laboratory's own lookup, never a copy we host. Full COA library →
Every re-verification is dated and kept; a score only changes when the evidence does.
Smaller independent review base than several competitors (80 reviews). The catalog is peptide-focused, so researchers also working with SARMs or broader research chemicals will need a second supplier.
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.
Purgo Labs, on the evidence: 10/10 rubric points against 8/10. Northline Labs is stronger on 3 points listed below. Every point is a fact you can check on either vendor's site; both are scored by the same published rubric.
Northline Labs scores 8/10 on our rubric, has an independently viewable rating of 4.3 (495 reviews), and names its lab (Horizon Analytical (on certificates)). Caveat: 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.
On the 2 compound-and-size rows where we have dated prices from both, Northline Labs lists lower on 0 and Purgo Labs on 2. Purgo's list prices drop 20% with code HEALTH.
Purgo Labs is our affiliate partner and we earn a commission on referred orders; we earn nothing from Northline Labs. Scores come from the rubric, which has no partnership input, and the ordering rule on our scoreboard is disclosed.