Independent review · verified 6 September 2026 · non-partner
Onyx Biolabs Review (2026)
Kovera certificates with access codes and net content, a company with an address, a modest but real review base, and low prices. The badge that rounds 4.5 up to 4.6 is small but it is the vendor's own claim disagreeing with the record, and that is the point it loses.
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.
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9 of 10 checks passed
Read 6 September 2026
Names its lab
Kovera Labs named on all batch certificates; Janoshik for HCG (6 Sep 2026)
COAs verifiable at lab
Certificates carry Kovera-format access codes (e.g. EHNOQRS) for koveralabs.com/verify
Per-lot certificates
Per-batch certificates listed on /lab-results/ (e.g. TIR30-260901A)
Measured net content
Certificates state net content (e.g. tirzepatide 30mg batch TIR30-260901A: 99.233% purity with net-content line)
Prices & COAs ungated
Catalog, pricing and certificates viewable without an account
Independent reviews (50+)
4.4 / 79 on Trustpilot (re-read 24 Sept 2026; was 4.5 / 75 on Trustpilot)
Claims consistent
Not awarded. How to check: Compare testing/lab statements across the vendor's own pages.
No on-site review badge contradicting the independent record; card payment accepted; no regulator action found (checked 6 Sep 2026)
One point per criterion, no weighting, same rubric for every vendor — scoreboard.
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 Onyx Biolabs legit?
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What checks out, and what doesn't
Every line links to what we read on 6 September 2026
Checks out
✓Names Kovera Labs on every batch certificate (Janoshik for HCG); certificates carry Kovera-format access codes for koveralabs.com/verify and state net content.source
This certificate does not state measured net content — purity alone does not tell you how much is in the vial, which is why the rubric scores them separately.
Net-content line present; value not transcribed at read time.
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What Reddit says about Onyx Biolabs
Threads read via search on 29 September 2026 · not scored
Strongly positive user reports ('100% legit', a claimed 50 lb loss on their retatrutide) — and a separate, important warning: threads say a look-alike called 'Onyx Research' is a scam ripping off Onyx Biolabs' name. Check the exact domain before paying.
About a different company using a similar name; a visible reply says Onyx Biolabs is legitimate but is being impersonated.
How this was read: Google's Reddit results for "Onyx Biolabs 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 Onyx Biolabs. Scores are computed from published evidence and do not read partner status.
As of 6 September 2026, Onyx Biolabs scores 9/10 on our verification rubric and has 4.4 (79 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 Onyx Biolabs legit?" page at /guides/is-onyx-biolabs-legit.
Does Onyx Biolabs publish third-party COAs?
US-based in Charlotte, North Carolina. States third-party HPLC and mass spectrometry testing and maintains a public database of 50+ independent lab reports. Free ground shipping over $200.
What should buyers watch for with Onyx Biolabs?
The 65-review base is still modest. Independent reviewers have questioned the >99% purity claim because the certificates are not independently verified. Multiple similarly named Onyx storefronts exist with overlapping catalogs — confirm which one you are ordering from.
What does Reddit say about Onyx Biolabs?
Strongly positive user reports ('100% legit', a claimed 50 lb loss on their retatrutide) — and a separate, important warning: threads say a look-alike called 'Onyx Research' is a scam ripping off Onyx Biolabs' name. Check the exact domain before paying. Threads read via search on 29 September 2026; none of it is an input to the score.
Who runs Onyx Biolabs, and where is it located?
Onyx Holding, LLC · 9311 JW Clay Blvd STE 2050A, Charlotte, NC 28262 · +1 (704) 665-5551 (text) (read 6 September 2026 from the vendor's own pages).
Which lab tests Onyx Biolabs's products?
Onyx Biolabs names Kovera Labs · Janoshik (HCG). Certificates resolve on the lab's own system, so a report can be checked with the lab rather than only downloaded from the vendor. US-based in Charlotte, North Carolina. States third-party HPLC and mass spectrometry testing and maintains a public database of 50+ independent lab reports. Free ground shipping over $200.
Onyx Biolabs vs Purgo Labs — which is better?
On our published rubric Onyx Biolabs scores 9/10 and Purgo Labs 10/10. Purgo Labs is our affiliate partner and Onyx Biolabs 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 Onyx Biolabs?
10mg was $39.99 on 6 September 2026 (5mg $29.99). Prices move; we record what we saw and when.