T-1Partner
Purgo Labs
10of 10 verified points
4.7 (99 reviews)
Code HEALTH · 20% offMonthly re-verified evidence
Best Peptide Vendors 2026: 77 Ranked on One Evidence Rubric
The Peptide Vendor Scoreboard
Every vendor we cover, scored against the same ten public checks. Points are never for sale: each one names evidence a reader can inspect, and no partner has ever been scored differently from a non-partner.
Data last verified: 3 October 2026. Ratings and prices re-verified weekly; rubric evidence re-scored monthly.
How the order is set, and where our picks sit
Vendors are grouped by score, and vendors on the same score are tied — they share a place (T-1, T-5). Inside a tied band the order carries no evidential weight: our own pick is shown first and labelled as ours, then a short, disclosed list of vendors we choose to list first (all affiliate partners — named in the FAQ), then the rest by name. A partnership never changes a score and never moves a vendor across a band. A partner can never be placed above a vendor with more points. Our picks inside tied bands, and why: Purgo Labs — Our primary partner; the reference standard the rubric was built against.
Listed first inside their tied band, in this order: Rivn Peptides, Ameano Peptides, Amino Club, TrustedPeps, PS Peptides, EZ Peptides, Offline Peptides. Vendors we list first inside a tie are affiliate partners we have worked with directly; their place in the band is the evidence, their position within it is ours.
Evidence cited per point Partners labelled clearly Tiebreak rule disclosed
Affiliate disclosure. We may earn a commission when readers use an offer shown for a partner. A partner discount is a reader benefit, not a score criterion. Non-partners remain in the table and can rank above partners when the evidence warrants it.
The short answer
The best peptide vendors in 2026, on the evidence
3 vendors clear all 10 checkable criteria: Purgo Labs, MyPurePeptide, Peptide Giants. Below them, 7 vendors sit one point short, usually on a published legal entity or on measured net content. "Best" on this page means most independently verifiable — certificates you can check at the laboratory, milligrams measured against the label, a company you can look up, a review record the vendor cannot edit — not cheapest and not most popular.
How to use it: the table ranks all 77 vendors by score; open Details on a row for the evidence behind each point, the vendor's caveat and dated prices. Ties are ordered by the rule stated above and in the FAQ. For the compound and size you actually need, check the Price Index — a 10/10 vendor is not always the cheapest row.
Evidence leaders
Tied at the top — 3 vendors on 10/10
T-1Partner
MyPurePeptide
10of 10 verified points
4.7 (177 reviews)
Code HEALTH · 20% off T-1Partner
Peptide Giants
10of 10 verified points
4.6 (65 reviews)
Code health · 10% offComputed from the evidence
Best in class
Highest verified evidence
Purgo LabsPartnerOnly vendor on record
10/10 rubric points, each citing checkable evidence; Trustpilot 4.7 (99 reviews).
Largest independent review base
Rivn PeptidesPartnerOnly vendor on record
4.9 (603 reviews) on Trustpilot, which the vendor cannot edit. Verified 2 October 2026.
COAs verifiable at the lab itself
Purgo LabsPartnerAlso MyPurePeptide, Peptide Giants and 43 more · 46 of 77
Certificates resolve on the testing laboratory's own portal or lookup code, not only the vendor's site.
Publishes measured net content
Purgo LabsPartnerAlso MyPurePeptide, Peptide Giants and 52 more · 55 of 77
COAs state measured milligrams against the labelled amount, not purity alone.
Lowest verified price — BPC-157 10mg
MyPurePeptidePartnerOnly vendor on record
$25.00 list price on 30 Sept 2026, against 50 other vendors at the same size. Before codes or sales — re-check at checkout.
Full ranking · 77 vendors
All vendors, one rubric
One line per vendor; ties share a place — our pick first, then a disclosed list of vendors we list first (all partners), then by name. Open Details for the evidence behind each point, the caveat, and dated prices.
Must haveScore
How to read it: each dot is one rubric criterion the vendor verifiably meets · Partner = we earn a commission there (never a score input) · Low ×n = verified-lowest price on n of the 56 like-for-like Price Index rows · Removed = Trustpilot took the vendor's profile down; we show no rating.
- Fully verified · 10 of 10
- T-1
- T-1
- T-1
- Strong · 8–9 of 10
- T-4
- T-4
- T-4
- T-4
- T-4
- T-4
- T-4
- T-11
- T-11
- T-11
- T-11
- T-11
| # | Lab | Offer | Action | Details | |||
|---|---|---|---|---|---|---|---|
| Fully verified · 10 of 10 | |||||||
| T-1 | Purgo Labs | 10/10 | 4.7 · 99 | SteriGenix · Freedom Diagnostics | Visit vendor | ||
| T-1 | MyPurePeptide | 10/10 | 4.7 · 177 | Janoshik Analytical | Visit vendor | ||
| T-1 | Peptide Giants | 10/10 | 4.6 · 65 | Janoshik Analytical · Vanguard Laboratory | Visit vendor | ||
| Strong · 8–9 of 10 | |||||||
| T-4 | Rivn Peptides Legit?Partner | 9/10 | 4.9 · 603 | Freedom Diagnostics | Visit vendor | ||
| T-4 | Ameano Peptides Legit?Partner | 9/10 | 4.8 · 461 | Janoshik Analytical | Visit vendor | ||
| T-4 | Amino Club | 9/10 | 4.6 · 573 | ILS Labs | Visit vendor | ||
| T-4 | TrustedPeps | 9/10 | 4.8 · 104 | Freedom Diagnostics | Visit vendor | ||
| T-4 | Idun Peptides Legit?Low ×2 | 9/10 | 4.9 · 161 | Kovera Labs | — | Read review | |
| T-4 | Modified Aminos | 9/10 | 4.8 · 258 | Ethos Analytics | — | Read review | |
| T-4 | Onyx Biolabs | 9/10 | 4.4 · 79 | Kovera Labs · Janoshik | — | Read review | |
| T-11 | PS Peptides | 8/10 | 4.3 · 204 | North American Diagnostics | Visit vendor | ||
| T-11 | EZ Peptides Legit?Partner | 8/10 | Removed | Janoshik Analytical | Visit vendor | ||
| T-11 | Offline Peptides Legit?Partner | 8/10 | 4.8 · 99 | Freedom Diagnostics | Visit vendor | ||
| T-11 | BioLongevity Labs Legit?Partner | 8/10 | Removed | SafeCert Labs · MDx BioAnalytical · BioRegen | Visit vendor | ||
| T-11 | Everest Peptides Legit?Low ×2 | 8/10 | 4.8 · 58 | Freedom Diagnostics | — | Read review | |
| T-11 | Ion Peptide | 8/10 | 4.7 · 432 | Kovera Labs · FAQ claims Freedom Diagnostics | — | Read review | |
| T-11 | Mile High Compounds | 8/10 | 4.8 · 502 | Kovera Labs · Chromate | — | Read review | |
| T-11 | Modern Research Peptides Legit?Low ×2 | 8/10 | 4.2 · 19 | Freedom Diagnostics | — | Read review | |
| T-11 | Nexaph | 8/10 | 3.9 · 73 | Janoshik Analytical | — | Read review | |
| T-11 | Next Gen Peptides | 8/10 | Removed | ILS Labs | — | Read review | |
| T-11 | Northline Labs | 8/10 | 4.3 · 501 | Horizon Analytical | — | Read review | |
| T-11 | Nova Peptides | 8/10 | 4.8 · 71 | Freedom Diagnostics | — | Read review | |
| T-11 | Oros Research Legit?Low ×1 | 8/10 | 4.8 · 475 | Ethos Analytics | — | Read review | |
| T-11 | PeakForce Labs | 8/10 | 4.8 · 186 | Freedom Diagnostics | — | Read review | |
| T-11 | Protide Health | 8/10 | Removed | Freedom Diagnostics | — | Read review | |
| T-11 | Umbrella Labs | 8/10 | 3.0 · 235 | Vanguard Laboratory | — | Read review | |
| T-11 | Verified Peptides | 8/10 | Removed | Janoshik Analytical | — | Read review | |
| Partial · 5–7 of 10 | |||||||
| T-28 | Amino Science Labs | 7/10 | 4.0 · 26 | Freedom Diagnostics Testing | — | Read review | |
| T-28 | Apex Peptides | 7/10 | Removed | Freedom Diagnostics | Read the advisory | ||
| T-28 | BioGenix Peptides | 7/10 | 4.8 · 138 | Horizon Analytical | — | Read review | |
| T-28 | Disguised Alpha Legit?Low ×3 | 7/10 | Removed | Chromate | — | Read review | |
| T-28 | Evo Labs Research Legit?Low ×1 | 7/10 | Removed | Janoshik Analytical · Kovera Labs | — | Read review | |
| T-28 | Global Aminos | 7/10 | 4.7 · 40 | Freedom Diagnostics | — | Read review | |
| T-28 | Honest Peptide | 7/10 | 4.4 · 42 | Freedom Diagnostics | — | Read review | |
| T-28 | Instant Peptides | 7/10 | Removed | Kovera Labs · Freedom Diagnostics | — | Read review | |
| T-28 | LuvionBio | 7/10 | 4.7 · 146 | Freedom Diagnostics | — | Read review | |
| T-28 | Midwest Peptide | 7/10 | 4.9 · 316 | Precision Mass Spec | — | Read review | |
| T-28 | Modern Aminos Legit?Partner | 7/10 | Removed | Freedom Diagnostics · Kovera · Vanguard · Chromate · TrustPointe | Visit vendor | ||
| T-28 | Peptira | 7/10 | Removed | Freedom Diagnostics | — | Read review | |
| T-28 | Petratide Science Legit?Low ×1 | 7/10 | 4.2 · 41 | ILS Labs | — | Read review | |
| T-28 | Profound Aminos | 7/10 | 4.5 · 235 | Janoshik Analytical | — | Read review | |
| T-28 | Puratek Peptides | 7/10 | Removed | ILS Laboratories · page credits Freedom Diagnostics | Visit vendor | ||
| T-28 | Purus Peptides | 7/10 | 4.4 · 26 | Janoshik Analytical · Vanguard Laboratory | — | Read review | |
| T-28 | Solution Peptides | 7/10 | 2.3 · 18 | Janoshik Analytical | — | Read review | |
| T-28 | Southern Aminos | 7/10 | 4.7 · 188 | Freedom Diagnostics | — | Read review | |
| T-28 | True Peptides Legit?Partner | 7/10 | — | Optiq Health Labs | Visit vendor | ||
| T-47 | AIO Peptides Legit?Low ×1 | 6/10 | Removed | Freedom Diagnostics | — | Read review | |
| T-47 | AMC Essentials Legit?Low ×1 | 6/10 | 4.9 · 307 | Not named | — | Read review | |
| T-47 | Arizen BioLabs | 6/10 | 4.8 · 44 | Janoshik | Visit vendor | ||
| T-47 | Biotech Peptides | 6/10 | Removed | MZ Biolabs | — | Read review | |
| T-47 | Direct Peptides | 6/10 | Removed | Horizon Analytical | — | Read review | |
| T-47 | Elite Edge Biotech | 6/10 | 4.8 · 176 | Baler Lab | Visit vendor | ||
| T-47 | Glacier Aminos | 6/10 | 4.6 · 117 | Ethos Analytics | — | Read review | |
| T-47 | Kimera Chems | 6/10 | 3.8 · 15 | Freedom Diagnostics | — | Read review | |
| T-47 | NeuroLabs Research | 6/10 | 4.3 · 47 | Freedom Diagnostics | — | Read review | |
| T-47 | Optima Supply | 6/10 | Removed | Janoshik Analytical · Chromate Labs · ILS-Lab | — | Read review | |
| T-47 | Particle Peptides | 6/10 | Removed | Liquilabs s.r.o. | — | Read review | |
| T-47 | Simple Peptide | 6/10 | Removed | Freedom Diagnostics | — | Read review | |
| T-59 | Ascension Peptides | 5/10 | Removed | Kovera Labs · MZ Biolabs | — | Read review | |
| T-59 | BioEdge Research Labs | 5/10 | 4.5 · 15 | Not named | — | Read review | |
| T-59 | Licensed Peptides Legit?Partner | 5/10 | Removed | Vanguard Laboratory | Visit vendor | ||
| T-59 | Lost Coast Aminos | 5/10 | 4.7 · 37 | BTLabs | — | Read review | |
| Thin · 4 or fewer | |||||||
| T-63 | SKO Compounds Legit?Partner | 4/10 | 4.8 · 565 | Not named | Visit vendor | ||
| T-63 | Swiss Chems | 4/10 | Removed | Janoshik Analytical | — | Read review | |
| T-65 | Ascend Amino | 3/10 | 4.6 · 37 | Not named | — | Read review | |
| T-65 | Behemoth Labz | 3/10 | 3.7 · 220 | Not named | — | Read review | |
| T-65 | Core Peptides | 3/10 | 4.0 · 65 | Not named | — | Read review | |
| T-65 | Sports Technology Labs | 3/10 | Removed | MZ Biolabs · Colmaric Analyticals | — | Read review | |
| T-69 | Atomik Labz Legit?Low ×2 | 2/10 | 2.7 · 34 | Not named | — | Read review | |
| T-69 | FelixChem (Felix Chemical Supply) | 2/10 | 3.5 · 2 | Not named | — | Read review | |
| T-69 | Limitless Life Nootropics | 2/10 | 3.4 · 163 | Not named | — | Read review | |
| T-69 | Polaris Peptides | 2/10 | 4.1 · 34 | Not named | — | Read review | |
| T-73 | Omegamino | 1/10 | 3.1 · 18 | Not named | — | Read review | |
| T-73 | Skye Peptides | 1/10 | 3.8 · 50 | Not named | — | Read review | |
| T-75 | Flawless Compounds | 0/10 | 2.9 · 13 | Not named | — | Read review | |
| T-75 | Glow Aminos | 0/10 | 4.4 · 13 | Not named | — | Read review | |
| T-75 | LA Peptides | 0/10 | Removed | Not named | — | Read review | |
ReferenceCriteria matrix — every vendor, every point, head-to-head
Every point, every vendor
compoundreview.com · Vendor ScoreboardThe full criteria matrix
Tap any mark to see the evidence behind it — or the honest absence of evidence. A point exists only where it can be checked by you, not just claimed by us.
| Vendor | Score | Named lab | Lab-hosted COAs | Per-lot COAs | Net content | Ungated | Review base | Consistent claims | Sized pricing | Entity + address | Clean record |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Purgo LabsPartnerVerified low ×5 | 10/10 | ||||||||||
| MyPurePeptidePartnerVerified low ×6 | 10/10 | ||||||||||
| Peptide GiantsPartnerVerified low ×6 | 10/10 | ||||||||||
| Rivn PeptidesPartner | 9/10 | ||||||||||
| Ameano PeptidesPartner | 9/10 | ||||||||||
| Amino ClubPartnerVerified low ×3 | 9/10 | ||||||||||
| TrustedPepsPartnerVerified low ×7 | 9/10 | ||||||||||
| Idun PeptidesVerified low ×2 | 9/10 | ||||||||||
| Modified Aminos | 9/10 | ||||||||||
| Onyx Biolabs | 9/10 | ||||||||||
| PS PeptidesPartnerVerified low ×4 | 8/10 | ||||||||||
| EZ PeptidesPartner | 8/10 | ||||||||||
| Offline PeptidesPartner | 8/10 | ||||||||||
| BioLongevity LabsPartner | 8/10 | ||||||||||
| Everest PeptidesVerified low ×2 | 8/10 | ||||||||||
| Ion Peptide | 8/10 | ||||||||||
| Mile High Compounds | 8/10 | ||||||||||
| Modern Research PeptidesVerified low ×2 | 8/10 | ||||||||||
| Nexaph | 8/10 | ||||||||||
| Next Gen Peptides | 8/10 | ||||||||||
| Northline Labs | 8/10 | ||||||||||
| Nova Peptides | 8/10 | ||||||||||
| Oros ResearchVerified low ×1 | 8/10 | ||||||||||
| PeakForce Labs | 8/10 | ||||||||||
| Protide Health | 8/10 | ||||||||||
| Umbrella Labs | 8/10 | ||||||||||
| Verified Peptides | 8/10 | ||||||||||
| Amino Science Labs | 7/10 | ||||||||||
| Apex PeptidesPartner | 7/10 | ||||||||||
| BioGenix Peptides | 7/10 | ||||||||||
| Disguised AlphaVerified low ×3 | 7/10 | ||||||||||
| Evo Labs ResearchVerified low ×1 | 7/10 | ||||||||||
| Global Aminos | 7/10 | ||||||||||
| Honest Peptide | 7/10 | ||||||||||
| Instant Peptides | 7/10 | ||||||||||
| LuvionBio | 7/10 | ||||||||||
| Midwest Peptide | 7/10 | ||||||||||
| Modern AminosPartner | 7/10 | ||||||||||
| Peptira | 7/10 | ||||||||||
| Petratide ScienceVerified low ×1 | 7/10 | ||||||||||
| Profound Aminos | 7/10 | ||||||||||
| Puratek PeptidesPartnerVerified low ×1 | 7/10 | ||||||||||
| Purus Peptides | 7/10 | ||||||||||
| Solution Peptides | 7/10 | ||||||||||
| Southern Aminos | 7/10 | ||||||||||
| True PeptidesPartner | 7/10 | ||||||||||
| AIO PeptidesVerified low ×1 | 6/10 | ||||||||||
| AMC EssentialsVerified low ×1 | 6/10 | ||||||||||
| Arizen BioLabsPartnerVerified low ×2 | 6/10 | ||||||||||
| Biotech Peptides | 6/10 | ||||||||||
| Direct Peptides | 6/10 | ||||||||||
| Elite Edge BiotechPartnerVerified low ×8 | 6/10 | ||||||||||
| Glacier Aminos | 6/10 | ||||||||||
| Kimera Chems | 6/10 | ||||||||||
| NeuroLabs Research | 6/10 | ||||||||||
| Optima Supply | 6/10 | ||||||||||
| Particle Peptides | 6/10 | ||||||||||
| Simple Peptide | 6/10 | ||||||||||
| Ascension Peptides | 5/10 | ||||||||||
| BioEdge Research Labs | 5/10 | ||||||||||
| Licensed PeptidesPartner | 5/10 | ||||||||||
| Lost Coast Aminos | 5/10 | ||||||||||
| SKO CompoundsPartner | 4/10 | ||||||||||
| Swiss Chems | 4/10 | ||||||||||
| Ascend Amino | 3/10 | ||||||||||
| Behemoth Labz | 3/10 | ||||||||||
| Core Peptides | 3/10 | ||||||||||
| Sports Technology Labs | 3/10 | ||||||||||
| Atomik LabzVerified low ×2 | 2/10 | ||||||||||
| FelixChem (Felix Chemical Supply) | 2/10 | ||||||||||
| Limitless Life Nootropics | 2/10 | ||||||||||
| Polaris Peptides | 2/10 | ||||||||||
| Omegamino | 1/10 | ||||||||||
| Skye Peptides | 1/10 | ||||||||||
| Flawless Compounds | 0/10 | ||||||||||
| Glow Aminos | 0/10 | ||||||||||
| LA Peptides | 0/10 |
Tap a mark above to see the cited evidence for that exact point.
Named lab
62 of 77
Lab-hosted COAs
46 of 77
Per-lot COAs
61 of 77
Net content
55 of 77
Ungated
56 of 77
Review base
33 of 77
Consistent claims
21 of 77
Sized pricing
65 of 77
Entity + address
32 of 77
Clean record
53 of 77
The hardest point to earn: no contradictions among its own claims — only 21 of 77 scored vendors have it. Verified-low badges come from the 56 like-for-like rows on our Peptide Price Index, where ties count for every vendor holding the low.
Head to head
Compare any two scored vendors
vs
Purgo Labs
10/10
verified low ×5 of 56
MyPurePeptide
10/10
verified low ×6 of 56
- Names its testing laboratory
- Certificates verifiable at the lab, not just the vendor
- Batch-specific COAs matched to lots
- Publishes measured net content vs label
- COAs and pricing viewable without an account
- Independent review base (50+ on an external platform)
- No contradictions among its own claims
- Vial sizes stated with prices
- Publishes a legal entity and street address
- No misleading trust signals or buyer-protection workarounds
Score movements
compoundreview.com · Vendor ScoreboardWhen a score changes, it is recorded — forever
PS Peptides: 7/10 (6 Sep 2026) → 8/10 (3 Oct 2026) — 7/10 → 8/10: clean-record awarded — the '5-star Trustpilot from thousands' blog claim is no longer on the site, card rail confirmed (Visa/MC/Amex/Discover, Afterpay, Klarna); lab portal lookup completed for NAD-0037963 (99.97%, 4.88mg/5mg). Still withheld: claims-consistent ('cGMP-certified facilities' vs the vendor's own post that cGMP certificates do not exist; no accrediting body), identity (LLC name no longer printed, no address)+1
Peptira: 8/10 (19 Sep 2026) → 7/10 (2 Oct 2026) — 8/10 → 7/10: ungated withdrawn — the storefront, product pages and lab-results page now redirect to a sign-in gate (read 2 Oct 2026); the COA library remains public-1
True Peptides: 6/10 (1 Oct 2026) → 7/10 (2 Oct 2026) — 6/10 → 7/10: lab-hosted awarded — the certificate QR decodes to a verification page on the lab's own system (optiq.smpltrax.com), same lot and figures; the vendor flagged it by email and we re-read. Still withheld: review-base, identity, claims-consistent+1
AIO Peptides: 0/10 (28 Sep 2026) → 6/10 (1 Oct 2026) — 0/10 → 6/10, read through a registered account (LuvionBio / Petratide precedent): Freedom Diagnostics report found on the lab's own lookup, 38 lots on the COA page, 10.32mg on a 10mg label, sized prices. Still withheld: ungated (login wall), identity (no legal entity — terms print '[Jurisdiction]'), review-base (Trustpilot removed), claims-consistent (unevidenced in-house synthesis claim; UPLC vs HPLC)+6
Petratide Science: 0/10 (1 Oct 2026) → 7/10 (1 Oct 2026) — 0/10 → 7/10 the same day, read through a registered account (LuvionBio precedent): ILS Labs report opened on the lab portal, 148 batch certificates, 10.54mg on a 10mg label, Petratide Science LLC named. Still withheld: ungated (login wall), identity (no address), review-base (41 reviews)+7
Apex Peptides: 8/10 (17 Sep 2026) → 7/10 (29 Sep 2026) — 8/10 → 7/10 — ungated withdrawn: the storefront redirects every page to a login form (read 29 Sep 2026), six days after a federal search at the address in its footer (KTIV). Advisory set; readers are routed to Purgo Labs until the store reopens. The other seven points stand as last read on 17 Sep and cannot currently be re-checked from outside.-1
LuvionBio: 3/10 (29 Sep 2026) → 7/10 (29 Sep 2026) — 3/10 → 7/10 same day — re-read through a registered account: named-lab, lab-hosted (lab company search lists 264 certificates for LuvionBio LLC), per-lot, net-content (11.84mg on 10mg) awarded; still not awarded: ungated (login wall), identity (no address), claims-consistent (stale COA page maps three BPC-157 lots to one blend certificate)+4
Northline Labs: 8/10 (18 Sep 2026) → 8/10 (24 Sep 2026) — 8/10 → 8/10 (one up, one down) — identity awarded: 'Northline Labs is a brand of WA Consulting LLC' (/about-northline/) and a Sheridan, WY street address on /contact/ (a registered-agent suite, disclosed); clean-record withdrawn: homepage badge '4.8★ 12,000+ reviews' overstates the live Trustpilot profile (4.3 / 495). Still not awarded: claims-consistent0
SKO Compounds: 3/10 (6 Sep 2026) → 4/10 (24 Sep 2026) — 3/10 → 4/10 — identity awarded: 'SKO Compounds LLC' now named in the refund policy alongside the West Hollywood mailbox address (disclosed as a mailbox)+1
Glacier Aminos: 7/10 (6 Sep 2026) → 6/10 (24 Sep 2026) — 7/10 → 6/10 — clean-record withdrawn: /contact/ displays 'Trustpilot 4.8/5' while the live profile reads 4.6 across 116 reviews; Google 5.0/5 and Pep Review Pro 4.9/5 badges alongside are unverifiable-1
Ascend Amino: 2/10 (6 Sep 2026) → 3/10 (24 Sep 2026) — 2/10 → 3/10 — identity awarded: Ascend Supply Group LLC d/b/a Ascend Amino with a Sacramento street address, both on /terms-conditions/+1
Umbrella Labs: 7/10 (19 Sep 2026) → 8/10 (24 Sep 2026) — 7/10 → 8/10 — identity awarded: 'Umbrella Labs, Inc.' now named in the terms of sale alongside the Tucson street address already on /contactus/+1
Rivn Peptides: 8/10 (6 Sep 2026) → 10/10 (19 Sep 2026) — claims-consistent and clean-record AWARDED (8/10 to 10/10). Disclosed timing: Rivn became an affiliate partner of ours the same day, which is what prompted the re-read, so the evidence is set out in full. In August its site showed a '4.9 / 1,247 reviews' widget against a Trustpilot record of 326 — one unverifiable claim costing two points. On 19 Sep 2026 we checked the homepage, /about, /testing and /faqs: the widget is gone, replaced by a section pointing at the real Trustpilot profile; no in-house review count appears anywhere; the FAQ's 99%+ purity claim matches the published certificates (99.81%, 99.91%); and a searchable 47-certificate library with per-lot purity, net content, heavy metals and endotoxin has replaced the 7 loose images we saw on 6 Sep. No regulator action found. The vendor fixed the defect; the rubric does not withhold points as a penalty for having once had one. Still vendor-stated and unverified: ISO 9001 facilities, 'Certified GMP', and the lab's ISO/IEC 17025 accreditation+2
Rivn Peptides: 10/10 (19 Sep 2026) → 9/10 (19 Sep 2026) — CORRECTION, same day: claims-consistent WITHDRAWN (10/10 to 9/10). The award above was inconsistent with how we scored the same defect elsewhere. Rivn's site states 'Manufactured in ISO 9001 certified facilities', 'Certified GMP', and ISO/IEC 17025 for its laboratory, publishing no certifying body, certificate number or register entry for any of the three. We withheld this exact point from Ameano Peptides for marketing an 'accredited third-party' while naming no lab, and from Idun Peptides for 'accredited laboratories' plural against a single lab on every certificate — both vaguer claims than these. Our own evidence file had already recorded the three claims as unverified; we noted them and awarded the point anyway, which was an error. Disclosure: Rivn became our affiliate partner the same morning, and the re-read that caught this happened while the site owner was pressing to have our primary partner shown first, so the correction benefits a commercial interest of ours. It stands on the four prior rulings, not on that. The other 9 points are unchanged and the certificate library and removed review widget are real improvements. Next: the same criterion is being re-checked across all 59 vendors, our partners included — if it was applied loosely once it was probably applied loosely elsewhere-1
Mile High Compounds: 8/10 (11 Sep 2026) → 8/10 (18 Sep 2026) — PARTNERSHIP ENDED (vendor closed our affiliate account) — score unchanged; partnership is not a rubric input. Ordering effect only: no longer listed among partners on equal-score tiebreaks0
Northline Labs: 8/10 (6 Sep 2026) → 8/10 (18 Sep 2026) — score unchanged — review-base evidence re-pointed: northlinelabs.com Trustpilot profile removed (guidelines notice), active northlinelabs.org profile 4.3 / 491 read directly 18 Sep 2026; vendor site now at northlinelabs.org0
Everest Peptides: 7/10 (6 Sep 2026) → 8/10 (18 Sep 2026) — review-base awarded — Trustpilot crossed the 50-review threshold (4.8 / 51, read directly 18 Sep 2026); was 7/10+1
BioLongevity Labs: 8/10 (6 Sep 2026) → 8/10 (17 Sep 2026) — became an affiliate partner (tracking link only; no code applies at checkout yet, so none is printed). Score unchanged — partnership is not a rubric input0
Puratek Peptides: 7/10 (6 Sep 2026) → 7/10 (16 Sep 2026) — became an affiliate partner (10% commission, referral link; no customer code confirmed yet). Score unchanged — partnership is not a rubric input; all 5–6 Sep findings, including the removed Trustpilot profile, stand as published0
Mile High Compounds: 8/10 (6 Sep 2026) → 8/10 (11 Sep 2026) — evidence refreshed, score unchanged — Trustpilot 4.8 / 485 (up from 4.7 / 441); on-site claims re-checked: '4.9 · 389 verified reviews' and '14x tested' vs product pages' '7x' — claims-consistent still withheld0
Purgo Labs: 8/8 (24 Aug 2026) → 10/10 (6 Sep 2026) — re-issued under rubric v2 (was 8/8); not awarded: none+2
Mile High Compounds: 6/8 (14 Aug 2026) → 7/8 (6 Sep 2026) — net-content awarded — Kovera report KVR-2026-9A59E7 (batch BPC-010-MH-04) read on koveralabs.com: 10.86mg vs 10mg label+1
Mile High Compounds: 7/8 (6 Sep 2026) → 8/10 (6 Sep 2026) — re-issued under rubric v2 (was 7/8); not awarded: claims-consistent, clean-record+1
Amino Club: 6/8 (14 Aug 2026) → 8/8 (6 Sep 2026) — lab-hosted + net-content awarded — ILS certificate COA-2026-Y_PBKT (lot SBPC0001) shows 15.85mg vs 15mg label and carries an ILS access code for lookup at ils-lab.com; same standard as Kovera/Janoshik verify codes+2
Amino Club: 8/8 (6 Sep 2026) → 9/10 (6 Sep 2026) — re-issued under rubric v2 (was 8/8); not awarded: identity+1
Elite Edge Biotech: 5/8 (14 Aug 2026) → 6/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: lab-hosted, per-lot, claims-consistent, identity+1
Northline Labs: 4/8 (14 Aug 2026) → 8/10 (6 Sep 2026) — re-issued under rubric v2 (was 4/8); not awarded: claims-consistent, identity+4
Disguised Alpha: 5/8 (24 Aug 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: review-base, claims-consistent, identity+2
SKO Compounds: 3/8 (6 Aug 2026) → 3/10 (6 Sep 2026) — re-issued under rubric v2 (was 3/8); not awarded: named-lab, lab-hosted, per-lot, net-content, claims-consistent, identity, clean-record0
Rivn Peptides: 3/8 (27 Aug 2026) → 8/10 (6 Sep 2026) — re-issued under rubric v2 (was 3/8); not awarded: claims-consistent, clean-record+5
Ameano Peptides: 6/8 (5 Sep 2026) → 9/10 (6 Sep 2026) — re-issued under rubric v2 (was 6/8); not awarded: claims-consistent+3
Midwest Peptide: 4/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 4/8); not awarded: lab-hosted, claims-consistent, identity+3
PeakForce Labs: 3/8 (5 Sep 2026) → 8/10 (6 Sep 2026) — re-issued under rubric v2 (was 3/8); not awarded: claims-consistent, identity+5
PS Peptides: 7/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 7/8); not awarded: claims-consistent, identity, clean-record0
Glacier Aminos: 4/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 4/8); not awarded: lab-hosted, ungated, claims-consistent+3
Idun Peptides: 5/8 (5 Sep 2026) → 9/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: claims-consistent+4
TrustedPeps: 5/8 (5 Sep 2026) → 9/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: identity+4
Peptide Giants: 7/8 (5 Sep 2026) → 10/10 (6 Sep 2026) — re-issued under rubric v2 (was 7/8); not awarded: none+3
Optima Supply: 5/8 (5 Sep 2026) → 6/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: per-lot, review-base, claims-consistent, clean-record+1
Puratek Peptides: 3/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 3/8); not awarded: review-base, claims-consistent, sized-pricing+4
Everest Peptides: 5/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: review-base, claims-consistent, identity+2
Honest Peptide: 2/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 2/8); not awarded: review-base, claims-consistent, identity+5
Ascend Amino: 1/8 (5 Sep 2026) → 2/10 (6 Sep 2026) — re-issued under rubric v2 (was 1/8); not awarded: named-lab, lab-hosted, per-lot, net-content, ungated, review-base, claims-consistent, identity+1
Arizen BioLabs: 5/8 (5 Sep 2026) → 6/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: lab-hosted, review-base, claims-consistent, identity+1
Lost Coast Aminos: 2/8 (5 Sep 2026) → 5/10 (6 Sep 2026) — re-issued under rubric v2 (was 2/8); not awarded: lab-hosted, review-base, claims-consistent, identity, clean-record+3
Global Aminos: 2/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 2/8); not awarded: review-base, claims-consistent, identity+5
NeuroLabs Research: 5/8 (5 Sep 2026) → 6/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: review-base, claims-consistent, identity, clean-record+1
Purus Peptides: 6/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 6/8); not awarded: review-base, claims-consistent, identity+1
Evo Labs Research: 6/8 (5 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 6/8); not awarded: review-base, claims-consistent, clean-record+1
BioLongevity Labs: 4/8 (5 Sep 2026) → 8/10 (6 Sep 2026) — re-issued under rubric v2 (was 4/8); not awarded: review-base, claims-consistent+4
Ion Peptide: 4/8 (6 Sep 2026) → 8/10 (6 Sep 2026) — re-issued under rubric v2 (was 4/8); not awarded: ungated, claims-consistent+4
Profound Aminos: 6/8 (6 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 6/8); not awarded: claims-consistent, identity, clean-record+1
Behemoth Labz: 2/8 (6 Sep 2026) → 3/10 (6 Sep 2026) — re-issued under rubric v2 (was 2/8); not awarded: named-lab, lab-hosted, per-lot, net-content, claims-consistent, sized-pricing, identity+1
Limitless Life Nootropics: 1/8 (6 Sep 2026) → 2/10 (6 Sep 2026) — re-issued under rubric v2 (was 1/8); not awarded: named-lab, lab-hosted, per-lot, net-content, ungated, claims-consistent, sized-pricing, identity+1
Polaris Peptides: 0/8 (6 Sep 2026) → 2/10 (6 Sep 2026) — 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+2
Swiss Chems: 4/8 (6 Sep 2026) → 4/10 (6 Sep 2026) — re-issued under rubric v2 (was 4/8); not awarded: lab-hosted, net-content, review-base, claims-consistent, identity, clean-record0
Modern Aminos: 4/8 (6 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 4/8); not awarded: ungated, review-base, claims-consistent+3
Instant Peptides: 5/8 (6 Sep 2026) → 7/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: review-base, claims-consistent, clean-record+2
EZ Peptides: 6/8 (6 Sep 2026) → 8/10 (6 Sep 2026) — re-issued under rubric v2 (was 6/8); not awarded: review-base, claims-consistent+2
Particle Peptides: 5/8 (6 Sep 2026) → 6/10 (6 Sep 2026) — re-issued under rubric v2 (was 5/8); not awarded: lab-hosted, review-base, claims-consistent, clean-record+1
Chameleon Peptides: 8/8 (6 Sep 2026) → 10/10 (6 Sep 2026) — re-issued under rubric v2 (was 8/8); not awarded: none+2
Purgo Labs: 7/8 (14 Aug 2026) → 8/8 (24 Aug 2026) — sized-pricing awarded — product pages state vial size with price; baseline had applied a stricter catalog-only reading of the criterion+1
Disguised Alpha: 4/8 (14 Aug 2026) → 5/8 (24 Aug 2026) — sized-pricing awarded — product pages state per-size prices; same correction as Purgo Labs, applied uniformly+1
ReferenceWhat changed recently
Latest verified updates
What changed recently
Computed from the dated, append-only records behind this page — 1 vendor profiles were last re-verified on 3 October 2026. Price readings are never edited retroactively; movements appear here as dated changes.
- 2 Oct 2026Purgo Labs — Adamax 10mg moved down: $84.99 (3 Aug 2026) → $69.99.
- 2 Oct 2026Purgo Labs — MT-2 10mg moved up: $29.59 (23 Sept 2026) → $36.99.
- 2 Oct 2026Purgo Labs — PT-141 10mg moved up: $23.99 (23 Sept 2026) → $29.99.
- 2 Oct 2026Purgo Labs — Selank 10mg moved up: $27.99 (23 Sept 2026) → $34.99.
- 2 Oct 2026Purgo Labs — Semax 10mg moved up: $27.99 (23 Sept 2026) → $34.99.
- 2 Oct 2026TrustedPeps — BPC-157 10mg moved down: $30.00 (5 Sept 2026) → $28.00.
The 10-point rubricWhat each point means
Names its testing laboratory
The lab is identified by name on the vendor's site; you can look it up and contact it.
Certificates verifiable at the lab, not just the vendor
COAs are hosted on the testing lab's own system or carry a lab-side lookup code.
Batch-specific COAs matched to lots
Certificates carry lot numbers that match shipped vials, not one generic PDF.
Publishes measured net content vs label
COAs state measured milligrams against the labelled amount, not purity % alone.
COAs and pricing viewable without an account
Open the COA library and catalog logged out.
Independent review base (50+ on an external platform)
Check the vendor on Trustpilot or an equivalent platform the vendor cannot edit.
No contradictions among its own claims
Compare testing/lab statements across the vendor's own pages.
Vial sizes stated with prices
Catalog or product pages show milligrams next to every price.
Publishes a legal entity and street address
The company's registered name (LLC, Inc., s.r.o. …) and a street address appear on the vendor's own Contact, About or Terms pages — not only a brand name, a city, or hidden page markup.
No misleading trust signals or buyer-protection workarounds
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.
Questions
Best peptide vendors — frequently asked
What is the best peptide vendor in 2026?
On our evidence rubric the top three are Purgo Labs (10/10, 4.7 (99 Trustpilot reviews)); MyPurePeptide (10/10, 4.7 (177 Trustpilot reviews)); Peptide Giants (10/10, 4.6 (65 Trustpilot reviews)). 3 vendors clear all 10 checkable criteria. "Best" here means most independently verifiable — lab-hosted certificates, measured net content, a legal entity you can look up, a review record the vendor cannot edit — not cheapest or most popular. The full ranking of 77 vendors is in the table, and every point links to the evidence.
Which peptide vendors publish real, checkable COAs?
46 of the 77 vendors we score host their certificates on the testing laboratory's own system or print a lab-side lookup code, so a reader can confirm the report exists without trusting the vendor's website. 55 go further and publish measured milligrams against the label rather than a purity percentage alone. Both are separate criteria in the table; a vendor with a large certificate library but no lab-side verification earns the first point and not the second.
How do I choose between the top vendors?
Start with the score, then read the two things the score cannot rank: the review base (a 4.7 across 400 reviews is stronger evidence than a 4.8 across 60) and the like-for-like prices on the Peptide Price Index for the exact compound and size you need. Open Details on any row for the vendor's caveat — every vendor has one, including the top-scored partners — and read it before ordering.
Can I see when a vendor score has changed?
Yes. Score changes are recorded in an append-only history: the public baseline was set on 14 August 2026, and any later change appears in the score-movements section dated on both ends, with the reason noted. Past entries are never rewritten, which is also true of the price record behind the verified-low badges.
What does the vendor scoreboard measure?
Every vendor is evaluated against the same ten public verification criteria: named testing labs, lab-verifiable certificates, batch traceability, measured net content, ungated access, an independent review base, claim consistency, stated vial sizes with prices, a published legal entity and address, and a clean record (no misleading trust badges, no buyer-protection workarounds, no regulator action). A point is awarded only where the supporting evidence is named on this page.
Does a higher score guarantee product quality?
No. The score measures how much a reader can independently verify, not a clinical or product-quality guarantee. It is a research tool for comparing transparency and documentation. Every vendor's caveat remains visible because a score should not erase a meaningful limitation.
How is the order decided when two vendors have the same score?
Among vendors with equal points, our affiliate partners are listed first, then the vendor with the larger independent review base, then the higher rating — a 4.6 across 400 reviews is stronger evidence than a 4.7 across 90. We state this openly because it is an editorial choice, not evidence: a reader comparing two 8/8 vendors should know that the one listed first may be there because we earn a commission from it. The rule cannot move any vendor above one with more points, and it has never changed a score. The full history of every score change, with dates and certificate references, is published on this page.
How do discount codes appear in the scoreboard?
When we have a reader discount from an affiliate partner, the code and stated discount are shown directly beside that partner's score. Non-partners are not penalized for having no code. The scoring rubric is separate from commercial relationships.
What do the “best for” call-outs mean?
Each call-out is computed from the same underlying data as the scoreboard: a rubric criterion every listed vendor has verifiably earned, or a dated price read from the vendor's own product page. They are recalculated whenever the underlying evidence changes, and the evidence behind each one is stated beside it.
Where do the verified prices come from?
Each price is the list price read directly on the vendor's own product or catalog page on a stated date, before any discount code. We only record prices where the vial size is confirmed on the same page, and past readings are never edited — movements show as dated changes. Sitewide sales are frequent in this category, so confirm at checkout.
How often are scores and ratings checked?
The underlying vendor profiles are re-verified during the monthly review cycle. Review-platform profiles and pricing can change between checks, so follow the evidence links and the verified-on date when a decision depends on a current detail.