VendorsPeptide Partners
Layer A — cited: COA practices, testing, enforcement, provenanceLayer B — disclaimed: online sentiment, community reportsIndependence firewall: the Trust Index (60/100) is computed from cited facts only — never sold, never sorts the directory.
V0 · V1 · V2 · V3 · V4

Overview

Independence-firewalled vendor profile · Trust Index computed from cited facts

Peptide Partners

peptide.partnersActiveResearch use only

US-facing research-peptide supplier, research-grade. Publishes certificates of analysis. Third-party tested. Identity and claims are vendor-stated unless cited. Research use only.

3rd-party testedPublishes COAsDomestic shippingReship policy
~36products listed
4.4/583 Trustpilot
founded
Communityconfidence
2026-07-11 as of
Vendor Trust Index
60/100
Mixed Record

Meaningful strengths alongside documented gaps or unresolved questions. Read the cited facts and weigh them yourself.

Coverage100%
ConfidenceHigh
Cited facts62

A transparency readout of 62 cited facts — never sold, never sorts the directory; not a safety verdict (RUO). How it’s computed →

Catalog breadth

Cited
~36
products in the catalog

External rating

Cited
4.4/5
83 Trustpilot reviews

COA policy

Cited
Yes
publishes COAs

Operating status

Cited
Active
as of 2026-07-11

Trust Index breakdown

DerivedV3

Five weighted evidence pillars; the composite is then capped by any verified adverse fact. Every point traces to a cited source — nothing here can be bought.

Claims vs. reality (purity integrity)9/30 · 30%
Testing & verification transparency14/20 · 20%
Regulatory & enforcement conduct20/20 · 20%
Operational transparency & accountability15/18 · 18%
Reputation integrity2/12 · 12%

Raw 60 → capped 60/100 · Confident confidence · 100% coverage (12/12 evidence dimensions). Full methodology.

Evidence at a glance

DerivedV3
Products listed
30
Publishes COAs
Yes
Independent tests tracked
2
Enforcement records
1
Cited sources
62

Methodology & independence

CitedV4
  • The Trust Index is computed only from cited facts — and can never be bought.
  • Sponsorship & affiliate are excluded by construction — they never move the score, sort, or inclusion.
  • Facts are dated and cited; absent data lowers confidence, never the score (absence isn’t evidence of bad).

No affiliate relationship with this vendor.

Legitimacy signals

DerivedV2
Official domain
peptide.partners
Payment
Card
Third-party testing
Yes
Published COAs
Yes
HQ disclosed
US-FL
Sponsored placement
No

Vendor details

CitedV1
Founded (claimed)
No data available
Domain registered
2025
HQ
US-FL
Address
PEPTIDE PARTNERS 8350 BEE RIDGE RD #379 SARASOTA, FL 34241
Ships from
US
Ships to
US
Categories
Peptides · GLP-1/2/3 Compounds · Cellular Repair · Metabolics · Nootropics · Blends · Reconstitution Supplies
Grade claimed
research
Website
peptide.partners

WHOIS: Entity name per peptide.partners: Peptide Partners a4m.com

Find them

V1

Verify you are on peptide.partners — 6 domain variants exist; this is the one on record as current.

V5 · V6 · V7 · V8 · V9

Products & price

Vendor-listed prices, dated & cited — no ranking, no commission

Product catalog & pricelist

CitedV5

30 listings from the live catalog, captured on 2026-08-05. Prices are vendor-listed and dated; price-per-mg is a unit price, not a ranking. No commission is earned and no vendor is ranked. Research use only.

CompoundPriceSizePrice / mgCOA
5A5-Amino-1MQPeptides
$19510 mg vial$19.50
AOAOD-9604Peptides
$52010 mg vial$52.00
BPBPC-157Peptides
$45010 mg vial$45.00
CACagrilintidePeptides
$105010 mg vial$105.00
DSDSIPPeptides
$3055 mg vial$61.00
EPEpitalonPeptides
$79240 mg vial$19.80
GHGHK-CuPeptides
$900100 mg vial$9.00
HUHumaninPeptides
$720Out of stock10 mg vial$72.00
IPIpamorelinPeptides
$57710 mg vial$57.70
KPKPVPeptides
$32010 mg vial$32.00
MOMod GRF 1-29Peptides
$88810 mg vial$88.80
MOMOTS-cPeptides
$800Out of stock40 mg vial$20.00
MOMOTS-cPeptides
$338Out of stock10 mg vial$33.80
NANAD+Peptides
$738900 mg vial$0.820
NANAD+Peptides
$750Out of stock750 mg vial$1.00
PIPinealonPeptides
$340Out of stock20 mg vial$17.00
PTPT-141Peptides
$32010 mg vial$32.00
RERetatrutidePeptides
$151224 mg vial$63.00
RERetatrutidePeptides
$1000Out of stock12 mg vial$83.33
SESelankPeptides
$1380Out of stock30 mg vial$46.00
SESemaglutidePeptides
$97610 mg vial$97.60
SESemaxPeptides
$230Out of stock20 mg vial$11.50
SESermorelinPeptides
$79710 mg vial$79.70
SSSS-31Peptides
$112550 mg vial$22.50
SSSS-31Peptides
$45010 mg vial$45.00
TBTB-500Peptides
$49010 mg vial$49.00
TETesamorelinPeptides
$898Out of stock10 mg vial$89.80
THThymosin Alpha-1Peptides
$37010 mg vial$37.00
TITirzepatidePeptides
$309040 mg vial$77.25
VIVIPPeptides
$99010 mg vial$99.00

Price-per-mg snapshot

DerivedV7

First dated snapshot (2026-07-11) — price-per-mg across the catalog. A trend line builds as we re-capture; no time series exists yet.

Log scale — bars are spaced so values spanning orders of magnitude stay readable.

NAD+$0.820/mg
NAD+$1.00/mg
GHK-Cu$9.00/mg
Semax$11.50/mg
Pinealon$17.00/mg
5-Amino-1MQ$19.50/mg
Epitalon$19.80/mg
MOTS-c$20.00/mg
SS-31$22.50/mg
KPV$32.00/mg
PT-141$32.00/mg
MOTS-c$33.80/mg
Thymosin Alpha-1$37.00/mg
BPC-157$45.00/mg
SS-31$45.00/mg
Selank$46.00/mg
TB-500$49.00/mg
AOD-9604$52.00/mg
Ipamorelin$57.70/mg
DSIP$61.00/mg
Retatrutide$63.00/mg
Humanin$72.00/mg
Tirzepatide$77.25/mg
Sermorelin$79.70/mg
Retatrutide$83.33/mg
Mod GRF 1-29$88.80/mg
Tesamorelin$89.80/mg
Semaglutide$97.60/mg
VIP$99.00/mg
Cagrilintide$105.00/mg

Deals & bulk pricing

CitedV8
  • PEPPALPEPPAL: standing sitewide discount (10–20% off) via PepPal affiliate link — note PepPal earns commission peppal.app
  • Additional codes circulating on coupon aggregators (e.g., PARTNERSMART10 for first purchase) — not independently verified dealspotr.com
  • Free shipping on orders $400 and above peptide.partners

Price snapshot

DerivedV6
Lowest $/mg
$0.820
Median $/mg
$45.00
Highest $/mg
$105.00

Across 30 priced listings — cheapest NAD+ ($0.820/mg), priciest Cagrilintide ($105.00/mg). This vendor’s own catalog spread — not a cross-vendor ranking.

Shipping & fulfillment

CitedV9
Ships from
US
Ships to
US
Domestic shipping
Yes
Ship speed
~5 days domestic
Carriers
USPS Priority Mail, UPS Ground (vendor-stated via secondary sources; not confirmed from live shipping page)
Cost
Free shipping on orders $400 and above; carrier rates apply below threshold.
Payment
Card

Reship / seizure: After review we may, at our sole discretion, offer a one-time reshipment of the affected item(s).

Returns: Order cancellations for full refunds are available before the order ships. We cannot cancel or refund orders once they have shipped.

peptide.partners

Watch & alerts

V30
  • Status-change & enforcement alerts
  • Add to a comparison set
V10 · V11 · V12

Quality & COA verification

COA & testing practices

CitedV10

What this vendor proves about identity, purity & potency

Publishes COAs
policy on record
Third-party tested
independent lab
Independent tests tracked
2 on file
GMP / ISO claim
not on record
Publishes four categories of third-party certificates on a public 'Independent Certifications' page (peptide.partners/independent-certifications/): (1) HPLC purity analysis, (2) bacterial endotoxin screening per USP <85>, (3) heavy metals by ICP-MS per USP standards, and (4) sterility testing. Certificates are batch-traceable with alphanumeric lot IDs (e.g., BC202607 for BPC-157, RT202607 for Retatrutide, SM202607 for Semaglutide, IP202606 for Ipamorelin) and are downloadable as PDFs. Four named testing laboratories — TrustPointe, BioRegen, Chromate, and Kovera — are identified on the documents. Manufacturing partner identity codes (e.g., WF03, VI32) appear on certifications, but the manufacturing entities are not publicly named. A Peptide Critic community thread (2026) raised concerns about Kovera (Koverlabs) as a newer, less-established laboratory; accreditation status of all four labs was not independently verified during this crawl.

Methods: HPLC (purity), mass spectrometry (identity), bacterial endotoxin USP <85>, ICP-MS heavy metals, sterility — vendor-stated across four named laboratories (TrustPointe, BioRegen, Chromate, Kovera). No NMR confirmed.. Labs: TrustPointe, BioRegen, Chromate, Kovera.

COA repository · published lab results

CompoundLotMethod
BPC-157BC202607HPLC + endotoxin USP <85> + ICP-MS heavy metals + sterility
RetatrutideRT202607HPLC + endotoxin USP <85> + ICP-MS heavy metals + sterility
SemaglutideSM202607HPLC + endotoxin USP <85> + ICP-MS heavy metals + sterility
IpamorelinIP202606HPLC + endotoxin USP <85> + ICP-MS heavy metals + sterility
NAD+ (Kovera batch NDB202601)NDB202601HPLC

Independent test results

CitedV11

2 independent tests tracked — labs and findings as reported. No pass/fail tally is computed.

Finnrick Analytics — community aggregate
75 samples across 7 products tested Jun 11 2025 – Jun 12 2026; overall vendor grade A. Per-product: Ipamorelin A (7 tests, avg 9.9/10, range 9.4–10.0); Retatrutide A (22 tests, avg 8.7/10, median purity 99.9%, range 6.7–10.0); TB-500 A (11 tests, avg 8.1/10, median purity 99.2%, range 6.5–10.0); BPC-157 B (8 tests, avg 7.7/10, range 5.7–10.0); Tesamorelin B (11 tests, avg 7.8/10, median purity 99.7%, range 5.3–10.0); CJC-1295 C (9 tests, avg 6.7/10, range 4.3–9.4); Tirzepatide C (6 tests, avg 8.2/10, range 4.2–9.8). Identity confirmed in 100% of 74 identity-tested samples. Approximately 96% of passing samples ≥98% purity. Customer satisfaction 4.8/5 across 27 reports. Score corrections published October 2025 after testing-against-label-claim policy clarification. Batch-to-batch variability is notable in Retatrutide, TB-500, Tesamorelin, CJC-1295, and Tirzepatide; no sample returned 'not detected.'
TrustPointe, BioRegen, Chromate, Kovera — vendor-commissioned (partial weight; not allowlisted independent)
Vendor publishes batch-traceable COA PDFs for 50+ compounds on their public certifications page. Representative recent batch purity results from those COAs: Ipamorelin IP202606 = 99.98%; BPC-157 BC202607 = 99.82%; Semaglutide SM202607 = 99.96%; Retatrutide RT202607 = 99.76% (multiple batches ranged 99.33–99.94%). These are vendor-commissioned certificates and do not constitute allowlisted independent assays per PeptideCompass methodology. Logged as vendor-published COA data (partial weight). A Kovera COA PDF (KOV_NADB_NDB202601) was directly linked on the vendor site.

Authenticity & anti-spoofing

CitedV12

Official domain: peptide.partners

Only order from the official domain. Research-chem vendors are frequently impersonated by typosquats — verify the URL before purchase.

Known domain variants

  • peptide.partners official · Primary storefront operated by Pirsek Technologies LLC. Registered ~June 2025 via Amazon Registrar, Inc. (.partners gTLD). Approximately 1 year old as of June 2026.
  • peptidepartners.com unconfirmed · Cited in the brand brief as a possible alternate domain; no live site or redirect was confirmed during this crawl. May be parked, unregistered, or redirect to peptide.partners — unresolved.
  • peptides-partners.com variant · separate near-identical-name research-peptide storefront; relationship to Pirsek Technologies UNRESOLVED (independent competitor OR copycat/mirror); near-verbatim marketing copy; no shared-ownership evidence
  • peptidepartners.org variant · UNRELATED — MAKE Wellness oral-supplement healthcare channel, not a research-peptide vendor.
  • peptidepartners.store variant · Unconfirmed copycat-or-mirror domain; appeared in search results described as 'the trusted peptide source.' Affiliation with Pirsek Technologies / peptide.partners UNRESOLVED.
  • pepticalab.com variant · Unconfirmed copycat-or-mirror domain surfaced during brand-collision check; relationship to Pirsek Technologies / peptide.partners UNRESOLVED.
V13 · V14 · V15 · V16 · V17

Reputation & sentiment

Online sentiment

Community signalUGC · disclaimedV13

Forum sentiment: positive · unverified

A coarse community read, not a measured score. Platforms can be gamed — corroborate.

Reddit & community

UGC · disclaimedV14

5 community mentions — disclaimed UGC, each linked. Sentiment is reported, not measured.

r/Peptides — PepPal and review-site synthesisNeutral2025–2026
Reddit was not directly accessible to the crawler. Per PepPal's synthesis and multiple editorial review sites, r/Peptides community sentiment toward Peptide Partners is predominantly positive, praising product quality, fast shipping (often cited as 2-day delivery), founder (Zach) responsiveness, and transparent COA documentation. Minor concerns noted about premium pricing relative to competitors and a smaller catalog breadth.
Private peptide community groupNeutral2026
A Facebook group thread titled 'What are experiences with Peptide Partners?' appeared in search results with apparent positive engagement from community members. Full content was not fetched (authentication required); sentiment is inferred from the search snippet.
Peptide Critic Community — Koverlabs threadMixed2026
A thread titled 'New Lab — Koverlabs, a bit concerning?' on the Peptide Critic community forum discussed Kovera as a newly introduced testing lab used by Peptide Partners. Participants raised questions about the lab's independence, accreditation track record, and relationship to the vendor's supply chain. Full thread content was not fetched; surfaced for reviewer attention.
PepPal — editorial + affiliateNeutral2026
PepPal designates Peptide Partners its '#1 Recommended Supplier' for 2026, citing 'unmatched public testing depth,' Finnrick A rating, and extensive COA documentation across four testing categories. PepPal discloses an affiliate relationship (code PEPPAL earns commission). This designation is not a neutral ranking and should be treated as affiliate-biased Layer B.
Multiple editorial review aggregatorsNeutral2026
At least eight editorial review sites (bestpeptidescompanies.com, pspeptides.com, peptideresearchreviews.com, peptidedeck.com, peptidestack.io, peptidecritic.com, peptideverdict.com, peptideprotocolwiki.com) reviewed Peptide Partners in 2026. Consensus highlights: strong COA program (four test categories, four named labs), Finnrick A overall rating, competitive per-mg pricing for GLP-1 compounds. Recurring criticisms: premium pricing on some SKUs, limited catalog vs. larger vendors, newer brand recognition, and smaller catalog breadth. PeptideDeck specifically highlights BPC-157 sourcing from Peptide Partners in their 2026 buyer guide.

Review sites

UGC · disclaimedV15

7 platforms on record — scores differ by scale; read the notes

Trustpilot4.4(83)

Live, paginated Trustpilot listing (pages 2–3 surfaced) showing ~4.7/5 across ~82 reviews. Score/count marked unverified (direct fetch returned HTTP 403). The 'removed/flagged' narrative originates with PepPal (an affiliate) and is CONTRADICTED by the live listing.

Community rating 4.5/5 from 12 reviews; small sample. Platform combines editorial and user reviews.

Editorial composite 7.4/10. Subscores: COA Quality 9.0, Transparency 8.5, Community 8.0, Pricing 7.0, Shipping 7.0, Payment Flexibility 4.0. Not a user-review platform.

Editorial composite 7.3/10; purity subscore 9.7/10 (second-highest in their tracked set). Noted weaknesses: premium pricing, limited payment options, smaller catalog vs competitors, newer brand recognition.

'#1 Recommended Supplier' for 2026. PepPal maintains an active affiliate relationship with Peptide Partners (discount code PEPPAL earns commission) — not a neutral endorsement. Disclosure stated by PepPal on the page.

Algorithmic flag — very low trust score driven by domain age (~1 year at time of check). Does not reflect product quality or vendor legitimacy for niche research compounds.

Flagged as 'Danger Zone' / 1/100 trust score based on automated heuristics and domain age. Not a product or vendor quality review.

The 'removed/flagged' Trustpilot narrative originates with PepPal — an affiliate of this vendor (code PEPPAL, commission-earning) — and is CONTRADICTED by the live, paginated Trustpilot listing (pages 2 and 3 surfaced in search), which shows the profile is live at ~4.7/5 across ~82 reviews. Score/count marked unverified because the direct profile fetch returned HTTP 403. Community sentiment via secondary synthesis (Reddit r/Peptides, Facebook groups) is predominantly positive — praise for product quality, fast shipping, and founder (Zach) responsiveness. PepPal's '#1 Recommended Supplier' designation coincides with the affiliate relationship and is not a neutral ranking.

trustpilot.com

User reviews

Not collectedUGC · disclaimedV16
No data availableNo first-party reviews have been collected for this vendor.

Press & media

V17
No press on recordEach item must be cited & verified before it appears
V18 · V19 · V20 · V21

Trust, risk & enforcement

Enforcement & legal history

CitedV18

Warning letters, raids, shutdowns, BBB actions — cited or omitted

Tirzepatide is actively listed in the Peptide Partners catalog and is covered by USITC Section 337 General Exclusion Order 337-TA-1377 — a source-agnostic import ban on infringing tirzepatide products (Eli Lilly complainant). The GEO is enforced by CBP at the border against any importer regardless of seller name. Semaglutide is also actively in catalog amid the FDA enforcement environment.
· trade exclusion · govinfo.gov

We publish negative records only with a source, and offer vendors a right of reply.

Buyer safety checklist

DerivedV19
  • Publishes COAs
  • Third-party tested
  • Accepts non-crypto payment
  • Has reship / refund policy
  • Clean enforcement record
  • Currently operating

5 of 6 checks clear · derived from vendor-stated data.

Operating status & continuity

CitedV20
Status
Active
Last confirmed
2026-07-11
US-facing
Yes
Domain history
6 variants on record
Known rebrands / aliases
Migrated to peptide.partners (2025)

Entity name per peptide.partners: Peptide Partners

If they disappear: prepaid / crypto orders carry no recourse if any research-chem vendor changes domains or shuts down with little notice.

Scam & non-delivery reports

Community-reportedUGC · disclaimedV21
No data availableCommunity scam/non-delivery reports are not collected for this vendor.
V22 · V23 · V24

Compare & discover

Compare vendors

V22

See Peptide Partners side-by-side with every vendor on the directory — COA practices, testing, shipping, enforcement history.

Best value for

V24

Cross-vendor price ranking is intentionally not computed

The Trust Index rates each vendor against a fixed evidence rubric — it never ranks vendors against each otheror sorts the directory. Naming a “best-value” vendor per compound would require exactly that cross-vendor sort, so we don’t. Compare the cited price-per-mg in the Products & price table yourself, or open a side-by-side comparison.
V25 · V26 · V27 · V28 · V29 · V31

Compliance, meta & tools

Jurisdiction & legality

CitedV25
Ships to
US
US-facing
Yes
Gating
Commercial links suppress where a compound is restricted in your region

Commercial CTAs are jurisdiction-gated; reference content stays visible everywhere (RUO).

Independence & disclosure

CitedV26
Affiliate
No
Sponsored placement
None
Effect on Trust Index
None — sponsorship & affiliate are excluded by construction

No affiliate or sponsorship relationship on record.

FAQ

CitedV31
Is Peptide Partners legit, and what is on record?
Peptide Partners (peptide.partners, Pirsek Technologies LLC, Sarasota FL) is a US-facing research peptide retailer operated by Zachary (Zak) David. On record: Finnrick Analytics assigns it an overall grade A across 75 samples (7 products, Jun 2025–Jun 2026) with 100% identity confirmation. The vendor publishes four categories of third-party COAs (HPLC purity, endotoxin, heavy metals, sterility) from four named labs, with batch-traceable IDs and downloadable PDFs. No FDA warning letters, BBB adverse records, or confirmed scam reports were found for this vendor during this crawl. A founding-year conflict exists (some sources cite 2021; domain registered ~2025) and several brand-collision domains use similar names. PeptideCompass computes no vendor score — weigh the cited facts on this page yourself. Research use only.
What is Peptide Partners' Finnrick grade, and which compounds scored lower?
As of June 2026, Finnrick Analytics assigns Peptide Partners an overall grade A. Per-compound grades across 75 samples: Ipamorelin A (avg 9.9/10), Retatrutide A (8.7/10, median purity 99.9%), TB-500 A (8.1/10, median purity 99.2%), BPC-157 B (7.7/10), Tesamorelin B (7.8/10, median purity 99.7%), CJC-1295 C (6.7/10, range 4.3–9.4), and Tirzepatide C (range 4.2–9.8). Identity was confirmed in 100% of tested samples. Finnrick is an allowlisted independent community aggregator for PeptideCompass purposes. The C grades on CJC-1295 and Tirzepatide reflect batch-to-batch inconsistency, not a systemic identity failure. Research use only.
What payment methods does Peptide Partners accept?
Peptide Partners processes checkout via WooCommerce with credit card support — a chargeback-capable payment rail. No cryptocurrency payment was confirmed on the product pages reviewed during this crawl. Some earlier sources noted card payment as 'being added' in 2026; buyers should verify the current payment options at checkout. Credit card availability means buyers have chargeback recourse, unlike crypto-only vendors. Research use only.
What is the Peptide Partners refund and shipping policy?
All sales are final; no returns or monetary refunds are issued under any circumstances. The sole exception: visible transit damage or receipt of the wrong item must be reported with photographs to support@peptide.partners within 48 hours of carrier delivery — the vendor may, at sole discretion, offer a one-time reshipment; no monetary refund will be issued. Domestic US shipping is via USPS Priority Mail or UPS Ground (estimated 3–5 business days); free shipping on orders $400 and above. Processing time is typically 24–48 business hours; weekend orders ship the following Monday. Research use only.
Are Semaglutide and Tirzepatide available through Peptide Partners?
As of 2026-06-28, both GLP-1 Semaglutide and GLP-2 Tirzepatide appeared in the active Peptide Partners catalog. Semaglutide was the subject of FDA warning letters to other vendors in December 2024; Tirzepatide is subject to a USITC Section 337 General Exclusion Order (337-TA-1377) barring importation of infringing tirzepatide products regardless of seller. Peptide Partners has not received a named FDA warning letter. All products are sold as 'research use only.' Buyers are responsible for local import and compliance obligations. Research use only.

Citable summary (GEO)

DerivedV29

Peptide Partners (peptide.partners) is a US-facing research-peptide vendor. Publishes COAs and is third-party tested. Has enforcement/disclosure records on file. PeptideCompass Trust Index: 60/100 — Mixed Record, confident confidence, from 62 cited sources. Data is community and dated 2026-07-11. The Trust Index is an evidence-transparency readout of cited facts — not a safety verdict, never sold. Research use only.

JSON-LD: Organization · BreadcrumbList · FAQPage. Computed from cited facts, never sold.

Contribute, report & claim

V28
Reports are moderated · not verified by PeptideCompass