Lyze Labs
lyzelabs.com
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Lyze Labs' own retatrutide certificate states in its "Regulatory Declarations" that all analytical data was generated using validated in-house procedures within LyzeLabs Research Division facilities, naming only an unnamed QC Analyst and QA Director, against the same site's /quality-testing page, which states batches are tested by an independent laboratory and explicitly not done in-house, and the product's own JSON-LD markup, which credits Third-Party HPLC Analysis (Janoshik). The certificate lists a molecular weight of 4763.52 g/mol for retatrutide against the 4731.5 Da the product page's Key Facts panel states, a 32-dalton gap, and its own mass-spectrometry ion is arithmetically consistent with its 4763.52 figure rather than the number printed elsewhere on the same site. Has anyone sent a Lyze Labs vial to an outside lab and can say whether it lands near the 99.33 percent by HPLC and ESI-MS the vendor's own CoA table states, given that the certificate the product page attributes to Janoshik is, on its own face, an in-house document with no Janoshik letterhead, task number, or verification key anywhere on it?
What the record holds
STATED WINDOW IN DAYS
“a 7 to 14 day transit window after 1 to 3 days of handling, consistent with the 7-to-14-day range printed on /shipping-policy”
JSON-LD names nine destination countries with zero-cost shipping; shipping badge claims Ships To 190+ Countries against the About pages 50+ countries; shipments in plain unbranded packaging, customs duties are the buyers responsibility
Read from this supplier's own pages on 2026-08-26. This publication has never placed an order with any supplier. This row records what is written and measures nothing about what actually happens after an order.
$490.0010mg × 10 vials price
Compound retatrutide 10mg x 10 vials (sold only as a box of 10 vials; no single 10mg vial)
Listed as Retatrutide, SKU RT10, sold only as a box of 10 vials at 10mg each
Price as recorded $490.00 per 10-vial kit, which is $49.00 per 10mg vial at the single-kit tier; 2+ kits drop the per-kit price 12 percent, scaling to 42 percent off at 50+ kits
Read on 2026-08-26. One reading on one day, and prices are not tracked over time here.
This supplier was not part of the Trustpilot reading of 2026-08-25, which covered 59 of the 126 suppliers on file. That is a fact about this publication's coverage, stated rather than left to be read either way.
3 claims from this publication's own dossier on this supplier were read again against the live site on 2026-08-26: 1 held, 2 corrected before publication.
A corrected claim is an error of ours that the re-read caught before it reached a page. This line tracks this publication's own accuracy. It says nothing about the supplier.
Dated entries
1 observation on file, recorded 2026-08-26. Newest first, appended and never rewritten.
Lyze Labs is a custom (non-WooCommerce) storefront; /sitemap.xml (fetched 2026-08-26) lists 67 individual product pages under /product/ and 14 category pages, matching the "All Compounds (67)" counter on the site's own CoA tracker page. The catalog spans the usual growth-hormone secretagogues, repair peptides, GLP-class compounds, tanning and skin lines, cognitive/sleep peptides, a longevity and NAD+ group, and, further out from typical peptide-vendor scope, two investigational monoclonal antibodies (an anti-myostatin and an anti-activin A antibody) sold the same way as the peptides. The site's own 14-slot category taxonomy (fetched 2026-08-26) names four groupings by outcome rather than compound class: two distinct slugs built around reducing body weight and body fat as separate categories, one built around building tissue mass through training, and one built around counteracting the aging process, sitting alongside more neutral groupings for growth hormone, tissue repair, growth factors, sleep and cognition, skin repair, immune support, hormone support, skin tanning, blended products and general research supplies. The blog index carries the same framing directly in its slugs: one title picks peptides for building tissue mass through training, a second picks peptides for shedding body weight (both dated 2026), a third frames AOD-9604 around reducing body fat, and a fourth pairs BPC-157 and TB-500 as a wound-recovery-themed combination, all titles as printed in the sitemap fetched 2026-08-26. Retatrutide is sold as a box of 10 vials per strength rather than single vials, in eight strengths from 5mg to 60mg per vial (RT5 through RT60). The 10mg format (SKU RT10, fetched 2026-08-26) carries a per-kit price of $490.00 USD for one kit, which is $49.00 per 10mg vial before any volume tier; buying 2 or more kits of any strength drops the per-kit price by percentages shown at checkout time (12 percent at 2+, stepping to 42 percent off at 50+). The product page's JSON-LD product markup (fetched 2026-08-26) lists a purity finding of above 99 percent verified by, in its own field label, "Third-Party HPLC Analysis (Janoshik)," and a "Quality Standard" field whose value names the product a reference-grade item using the term the FDA reserves for licensed drug manufacturing, a term this dossier does not reprint. The same product page states, in prose, a specific purity finding of 99.33 percent by HPLC and ESI-MS mass spectrometry, attributed by name to "Janoshik Analytical," with the certificate said to be published on the CoA page and matched to the vial's lot number. The site's own /quality-testing page (fetched 2026-08-26) states the verification model in absolute terms: batches are tested "by an independent laboratory (Janoshik Analytical)," explicitly "not done in-house," because in-house testing is what the page calls unverifiable; the page frames this as true for every batch, no exceptions. The CoA table (fetched 2026-08-26) lists Retatrutide's status as Verified, lot LZ-RT-260805, method column HPLC / ESI-MS, purity 99.33 percent, with a "View COA" link at /internal/coa/retatrutide. That linked document (fetched 2026-08-26, HTML, no PDF) is titled "Certificate of Analysis - Retatrutide," Certificate No. LZ-COA-RT-260809, same lot LZ-RT-260805, and carries no Janoshik letterhead, logo, task number, or independent verification key anywhere on it, unlike a genuine Janoshik document seen elsewhere in this research batch, which carries all four. Its own "Regulatory Declarations" section, part I, states plainly that "all analytical data presented in this Certificate of Analysis was generated using validated in-house analytical procedures... within LyzeLabs Research Division facilities," naming the tester as the vendor's own "QC Analyst" and "QA Director," both unnamed roles rather than named chemists. That in-house self-declaration on the certificate itself directly contradicts the "not done in-house" language on the same site's /quality-testing page and the "Third-Party HPLC Analysis (Janoshik)" field on the same product's own JSON-LD markup, both fetched the same day from the same domain. The certificate's own numbers do not agree with the vendor's own product page either. The certificate lists a molecular weight of 4763.52 g/mol and formula C226H346N50O68 for retatrutide, while the Key Facts panel on the /product/retatrutide page states a target molecular weight of 4731.5 Da for the same compound, a 32 dalton gap on the vendor's own two pages. The certificate's mass-spectrometry line reports an identity ion at [M+5H]5+ = 953.70, which is arithmetically consistent with the certificate's own stated 4763.52 g/mol figure (953.71 calculated) rather than with the 4731.5 Da figure the vendor's product page states elsewhere, or with the retatrutide molecular weight of 4731.33 g/mol printed on a genuine third-party certificate for the same compound seen elsewhere in this research batch. The retatrutide product page's customer-facing rating badge reads "4.8+ based on 10,000+ reviews," repeated site-wide in the footer as "4.8/5, 10,000+ Reviews." The schema.org markup embedded in the same page for the same product states an aggregateRating of 4.9 built from a reviewCount of 18, with three named reviews attached, including one attributed to "Dr. Vikram Singh" describing nine months of use inside an unnamed institutional research setting and another attributed only to "Dr. Sharma." Nothing on the fetched pages reconciles the 18-review structured-data count against the 10,000-plus figure shown to shoppers on the same page. The retatrutide page's shipping badge reads "Ships To 190+ Countries," while the /about page (fetched 2026-08-26) states reach as "50+ countries shipped" in one panel and "10,000+ researchers across 50+ countries" in its opening paragraph; the JSON-LD shipping block for the RT10 offer names nine explicit destination countries (US, GB, CA, AU, DE, KR, FR, NZ, IN) with zero-cost shipping and a 7 to 14 day transit window after 1 to 3 days of handling, consistent with the 7-to-14-day range printed on /shipping-policy. The same /shipping-policy page (dated April 2026 by its own footer) states shipments leave in plain, unbranded packaging with no paperwork inside, and that customs duties are the buyer's responsibility. Payment methods are named directly in the site footer (fetched 2026-08-26, present on every page checked): Visa, Mastercard, PayPal, UPI and Bitcoin under a "Secure Payments" heading; the /contact page separately lists card, UPI, a named cryptocurrency channel, bank transfer, PayPal and invoicing under "Payment & Billing" support topics, adding bank transfer and invoicing to the footer's list. Age gate on /terms (fetched 2026-08-26, dated April 2026 on its own face) is 18 or older, lower than the 21-or-older floor seen elsewhere in this research batch. No physical address, phone number, or registered legal-entity name (LLC, Ltd, Inc. or similar) was found anywhere on the home page, About, Contact, Terms, Privacy, Shipping Policy, Disclaimer or Legal index; contact is support@lyzelabs.com and a WhatsApp channel, and the mark is used throughout only as "Lyze Labs" with a trademark symbol, not a registered company name. The Terms (fetched 2026-08-26) disclaim all warranties and cap total liability at the amount paid for the specific product at issue, without naming a governing-law state or country. The Returns page (fetched 2026-08-26, dated August 2026 on its own face) states all sales are final with no cash refunds; the only remedies offered are a free reship for a package confirmed lost or seized in customs, or a free reship if an independent HPLC finding on a buyer's own vial reads below the number on the published certificate, and explicitly excludes a change of mind or an absence of any expected outcome from a compound as grounds for either remedy.
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