Verdict: Purgo Labs, on the evidence: 10/10 rubric points against 7/10.
Purgo Labs: 10/10 · Trustpilot 4.7 (80 reviews) · SteriGenix · Freedom Diagnostics | Amino Science Labs: 7/10 · 4.0 (7 reviews) · Freedom Diagnostics Testing
Disclosure: Purgo Labs is our affiliate partner; we earn nothing from Amino Science Labs. Scores are produced by the published rubric, which has no partnership input.
The 10 criteria, side by side
| Criterion | Purgo Labs | Amino Science Labs |
|---|
| Names its testing laboratory | ✔ SteriGenix and Freedom Diagnostics named per lot | ✔ Freedom Diagnostics Testing named; certificates hosted at coas.freedomdiagnosticstesting.com (6 Sep 2026) |
| Certificates verifiable at the lab, not just the vendor | ✔ Verify-at-lab links to sterigenixanalytical.com / freedomdiagnosticstesting.com | ✔ Certificate PDFs served from the lab's own domain (e.g. coas.freedomdiagnosticstesting.com/Amin2605150372.pdf) |
| Batch-specific COAs matched to lots | ✔ Lot numbers (e.g. PL-BPC-05) with test dates per batch | ✔ Per-batch accession-numbered certificates |
| 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) | ✔ BPC-157 10mg certificate reports Net Content 9.69mg, purity 99.24% |
| COAs and pricing viewable without an account | ✔ COAs on product pages without login | ✔ Catalog, pricing and certificates viewable without an account |
| Independent review base (50+ on an external platform) | ✔ 4.7 / 80 on Trustpilot (re-read 6 Sep 2026; 4.7 / 75 on 14 Aug 2026) | ✘ Not awarded |
| No contradictions among its own claims | ✔ No contradictions found across site claims (checked Aug 2026) | ✘ Not awarded |
| 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) | ✔ Sizes stated with prices (BPC-157 10mg $54.99, TB-500 10mg $73.99, NAD+ 500mg $57.99) |
| Publishes a legal entity and street address | ✔ PurgoLabs LLC (Arizona) · 10105 E Via Linda St Bld 103, Scottsdale, AZ — on-site (6 Sep 2026) | ✔ Amino Science Labs LLC · 201 S Federal Hwy, Fort Lauderdale, FL 33301 — footer and /contact |
| No misleading trust signals or buyer-protection workarounds | ✔ No on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026) | ✘ Not awarded |
| Total | 10/10 | 7/10 |
Like-for-like prices
No compound-and-size pair with dated prices from both vendors yet.
Caveats
Purgo Labs: 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.
Amino Science Labs: Current Trustpilot profile has seven reviews, which is too small a base to establish a dependable fulfilment or support record.
Frequently asked
Is Purgo Labs better than Amino Science Labs?
Purgo Labs, on the evidence: 10/10 rubric points against 7/10. Every point is a fact you can check on either vendor's site; both are scored by the same published rubric.
Is Amino Science Labs legit?
Amino Science Labs scores 7/10 on our rubric, has an independently viewable rating of 4.0 (7 reviews), and names its lab (Freedom Diagnostics Testing). Caveat: Current Trustpilot profile has seven reviews, which is too small a base to establish a dependable fulfilment or support record.
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 Amino Science Labs. Scores come from the rubric, which has no partnership input.
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