Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Polaris Peptides. Scores come from the public rubric, which has no partnership input.
Research use only. Compound Review scores vendors on documentation — laboratory certificates, lot records, pricing and company identity. Nothing on this page is guidance on human or veterinary use, dosing or health outcomes.
01
Where each vendor is stronger
Computed from the rubric, prices and review record — never curated
Purgo Labs
Names its testing laboratory — SteriGenix and Freedom Diagnostics named per lot
Certificates verifiable at the lab, not just the vendor — Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
Batch-specific COAs matched to lots — Lot numbers (e.g. PL-BPC-05) with test dates per batch
Publishes measured net content vs label — Measured net peptide published per lot (e.g. BPC-157 lot PL-BPC-05: 11.16mg vs 10mg label)
COAs and pricing viewable without an account — COAs on product pages without login
Independent review base (50+ on an external platform) — 4.7 / 99 on Trustpilot (re-read 2 Oct 2026; was 4.7 / 95 on Trustpilot)
No contradictions among its own claims — No contradictions found across site claims (checked Aug 2026)
Vial sizes stated with prices — Product pages state vial size with price (e.g. BPC-157 10mg at $44.99; 24 dated size+price readings on record)
Legal entity and address were published when read on 5 Sep 2026: Polaris Bioactives LLC d/b/a Polaris Peptides, Las Vegas, NV, with a phone number.
The public store API returns sized prices without login: BPC-157 10mg $60.00, TB-500 10mg $70.00, NAD+ 500mg $90.00, semaglutide 20mg $165.00, tirzepatide 10mg $89.00, retatrutide 60mg $400.00 (verified to the cent).
02
The 10 criteria, side by side
10/10 vs 2/10 · one point each, no weighting
Named lab
PurgoSteriGenix and Freedom Diagnostics named per lot
SteriGenix and Freedom Diagnostics named per lot
PolarisNot awarded
Lab-hosted COAs
PurgoVerify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com
PolarisNot awarded
Per-lot COAs
PurgoLot numbers (e.g. PL-BPC-05) with test dates per batch
Lot numbers (e.g. PL-BPC-05) with test dates per batch
PolarisNot awarded
Net content
PurgoMeasured net peptide published per lot (e.g. BPC-157 lot PL-BPC-05: 11.16mg vs 10mg label)
Measured net peptide published per lot (e.g. BPC-157 lot PL-BPC-05: 11.16mg vs 10mg label)
PolarisNot awarded
Ungated
PurgoCOAs on product pages without login
COAs on product pages without login
PolarisNot awarded
Review base
Purgo4.7 / 99 on Trustpilot (re-read 2 Oct 2026; was 4.7 / 95 on Trustpilot)
4.7 / 99 on Trustpilot (re-read 2 Oct 2026; was 4.7 / 95 on Trustpilot)
PolarisNot awarded
Consistent claims
PurgoNo contradictions found across site claims (checked Aug 2026)
No contradictions found across site claims (checked Aug 2026)
PolarisNot awarded
Sized pricing
PurgoProduct pages state vial size with price (e.g. BPC-157 10mg at $44.99; 24 dated size+price readings on record)
Product pages state vial size with price (e.g. BPC-157 10mg at $44.99; 24 dated size+price readings on record)
PolarisNot awarded
Entity + address
PurgoPurgoLabs LLC (Arizona) · 10105 E Via Linda St Bld 103, Scottsdale, AZ — on-site (6 Sep 2026)
PurgoLabs LLC (Arizona) · 10105 E Via Linda St Bld 103, Scottsdale, AZ — on-site (6 Sep 2026)
PolarisPolaris Bioactives LLC · 304 S Jones Blvd Suite 3020, Las Vegas, NV 89107 — read 5 Sep 2026 on /refunds-returns/ (page has since gone behind login)
Polaris Bioactives LLC · 304 S Jones Blvd Suite 3020, Las Vegas, NV 89107 — read 5 Sep 2026 on /refunds-returns/ (page has since gone behind login)
Clean record
PurgoNo on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)
No on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)
PolarisNo on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)
No on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)
Only vials both vendors list at the same size, read on each vendor's product page on the date shown. "After code" is list × the code's stated discount — a calculation, labelled as one; stacking with sale pricing is not cart-tested.
04
What we found at Polaris Peptides
Read 6 September 2026 on the vendor's own pages
Zero of eight — not because we found fraud, but because the vendor has walled off every fact a buyer would need: prices, lab, certificates, and now even its own contact page. Add an independent tester recording repeated BPC-157 purity failures and there is no evidence-based reason to choose Polaris over a vendor that shows its work.
Checks out
✓Legal entity and address were published when read on 5 Sep 2026: Polaris Bioactives LLC d/b/a Polaris Peptides, Las Vegas, NV, with a phone number. source
✓The public store API returns sized prices without login: BPC-157 10mg $60.00, TB-500 10mg $70.00, NAD+ 500mg $90.00, semaglutide 20mg $165.00, tirzepatide 10mg $89.00, retatrutide 60mg $400.00 (verified to the cent). source
✓4.1 across 34 Trustpilot reviews on a claimed profile (read 6 Sep 2026). source
Could not verify · flags
?Anything from the storefront itself — every product shows 'Login to see price', and on 6 Sep the About, Contact and policy pages had also moved behind a members-only wall.
?Any laboratory or certificate — the About page claims 'independent lab test results'; no lab is named and no certificate library was found.
!A '60-Day Total Satisfaction Pledge' on one page and a '45-Day' pledge on the newer refunds page, both linked from the site.
!The storefront says 'Login to see price' while the store's public API hands out every price to anyone.
!Independent testing aggregator Finnrick records repeated BPC-157 purity failures (fails dated 13 May 2026 and 1 Oct 2025) and GHK-Cu fill overages for this vendor.
!Site went members-only during our research — a reader today cannot verify the company details we read on 5 Sep.
!Several confusable domains (polarispeptidesusa.com, polaris-peptide.com) and an unrelated Canadian 'Polar Peptides' — not verified, flagged for awareness.
Polaris Bioactives LLC · 304 S Jones Blvd Suite 3020, Las Vegas, NV 89107 · +1 (800) 273-9462 (read 5 Sep 2026; pages since gated)
Polaris Peptides appears in 6 of our compound rankings. Each ranking orders every scored vendor that sells the compound by rubric score, then verified price per mg.
2026-09-062/10 — re-issued under rubric v2 (was 0/8); not awarded: named-lab, lab-hosted, per-lot, net-content, ungated, review-base, claims-consistent, sized-pricing
Purgo Labs: the caveat
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.
Polaris Peptides: the caveat
The storefront hides every price behind 'Login to see price', and by 6 Sep the About, Contact and policy pages had gone behind a members-only wall too — a reader cannot verify anything without an account. No laboratory named, no certificate library found. Two live pages state different return windows (60 vs 45 days). The independent testing aggregator Finnrick records repeated BPC-157 purity failures for this vendor. 34 reviews.
07
Where the evidence points
Where the evidence points
Purgo Labs 10/10
We earn nothing from Polaris Peptides. Purgo Labs holds every rubric point — certificates checkable at the lab, measured net content per lot — and is cheaper after codes on 5 of 5 like-for-like vials.
Purgo Labs, on the evidence: 10/10 rubric points against 2/10. Polaris Peptides is stronger on 2 points listed below. Every point is a fact you can check on either vendor's site; both are scored by the same published rubric.
Is Polaris Peptides legit?
Polaris Peptides scores 2/10 on our rubric, has an independently viewable rating of 4.1 (34 reviews), and does not name its testing laboratory. Caveat: The storefront hides every price behind 'Login to see price', and by 6 Sep the About, Contact and policy pages had gone behind a members-only wall too — a reader cannot verify anything without an account. No laboratory named, no certificate library found. Two live pages state different return windows (60 vs 45 days). The independent testing aggregator Finnrick records repeated BPC-157 purity failures for this vendor. 34 reviews.
Which is cheaper, Purgo Labs or Polaris Peptides?
On the 5 compound-and-size rows where we have dated prices from both, Polaris Peptides lists lower on 0 and Purgo Labs on 5. Purgo's list prices drop 20% with code HEALTH.
Do you earn money from either vendor?
Purgo Labs is our affiliate partner and we earn a commission on referred orders; we earn nothing from Polaris Peptides. Scores come from the rubric, which has no partnership input, and the ordering rule on our scoreboard is disclosed.