ProPeptides
propeptides.net
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ProPeptides' retatrutide page states, under a "Proven Research" heading, an uncited human-outcome percentage at 48 weeks, and describes GLP-1 receptor activation as enhancing insulin secretion and promoting satiety, language aimed at a person rather than a bench. That sits against a /coa/ page that loads but holds no certificate at all, no document, lot number, purity figure, or laboratory name, and a refund and returns page that renders as an empty heading with no window or conditions. The same product page closes with "not for human or veterinary use or any clinical application," and a reader who has actually received a certificate from this vendor, if one exists behind the marketing copy, could tell us what it documents.
What the record holds
STATED WINDOW IN DAYS
“orders processed in 1 to 2 business days after payment clears, US standard delivery 3 to 7 business days after processing”
Rates shown at checkout, tracking emailed, damage reported within 48 hours, lost packages within 7 business days.
Read from this supplier's own pages on 2026-08-24. 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.
$160.00
Compound retatrutide 10mg
Listed as GLP (R) 10 mg, product slug /shop/retatrutide-pen-3/
Price as recorded $160.00
Read on 2026-08-24. One reading on one day, and prices are not tracked over time here.
Whether this supplier has a Trustpilot listing could not be established on 2026-08-25.
Terminus read the standing of the listing itself and nothing under it. The reviews behind any figure above were not gathered, read, or checked here, and no reader review on this site feeds that number.
19 claims from this publication's own dossier on this supplier were read again against the live site on 2026-08-24: 19 held, 0 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
3 observations on file, recorded 2026-08-24. Newest first, appended and never rewritten.
On certificates: NOT PUBLISHED. The site carries a COA item in its main navigation, and /coa/ loads HTTP 200, but the page contains no certificate. It is a marketing page. Its full substantive text reads: "Expert HPLC and MS testing is done on new batches from reputable Testing facilities within the USA for reliable COAs of research peptides and compounds", followed by three headings, "HPLC & MS", "MS Testing" and "HPLC Testing", each with a sentence about testing in the abstract. There is no document, no thumbnail, no download link, no lot number, no purity figure, no analysis date, and no laboratory name. I checked the page source directly: it contains zero links to any PDF, PNG or JPG certificate. No testing facility is named anywhere on the site, only "reputable Testing facilities within the USA". The retatrutide product page states "validated by advanced analytical methods" with no method, figure, lot or document attached, and the homepage offers "Purity and Potency", "Laboratory-Grade Purity" and "Stringent Quality Control" as unqualified phrases. No purity percentage appears anywhere I read on this site.
On prices and policies: prices are visible to a guest with no login and no age interstitial on the pages I loaded. The catalog's own pagination line shows items 1 to 16 of 36 across three shop pages. GLP-class compounds are sold under short codes whose product slugs give away the compound: "GLP (R) 10 mg" at $160.00 resolves to /shop/retatrutide-pen-3/ and the page body is headed "Retatrutide - Research Peptide"; "GLP- (R) 40 mg" $350.00; "GLP -(T) 10MG Vial" $130.00 marked down to $95.00, resolving to /shop/tirzepatide-10mg-vial/; "GLP - (T) 40MG Vial" $290.00. Other recorded prices: BPC 157 5MG Vial $40.00, TB500 5MG Vial $50.00, BPC157 5mg + TB500 5mg "Wolverine" $65.00, AOD9604 5mg $45.00, GHK-CU 50mg $55.00 and 100mg $90.00, Epithalon 10mg $50.00, HCG 5KIU $45.00, NAD+ 1G $199.00, Bacteriostatic Water 10ML $15.00. Shipping policy published: orders processed in 1 to 2 business days after payment clears, US standard delivery 3 to 7 business days after processing, rates shown at checkout, tracking emailed, damage reported within 48 hours and lost packages within 7 business days. Storage guidance appears on the product page: store lyophilized at 2 to 8 C, refrigerate after reconstitution and use within 28 days. THE REFUND POLICY IS EMPTY. https://propeptides.net/refund_returns/ returns HTTP 200 and renders the heading "Refund and Returns Policy" followed immediately by the site footer. There is no refund text, no window, no conditions, and no exclusions on the page, and the same page is linked from the footer of every other page. Payment: the homepage states "We accept payments through Zelle", and the sitewide footer block headed "Payment Methods We Accept" says "We make checkout easy and secure. Enter your phone number at checkout for easy payment processing." No card network mark appears anywhere on the site. Research-use-only language is present and repeated: a sitewide footer disclaimer, a restatement in the shipping policy, and an "Intended Use" line on the product page.
CAUTIONCaution noted, and it is the sharpest in this batch. The retatrutide product page carries explicit human-outcome and advantage-claiming copy under a heading the vendor titles with the words "Proven Research" followed by a plural human-outcome noun. Quoted as the vendor's own words: "Clinical and preclinical data highlight remarkable outcomes including up to 24.2 % mean body weight reduction at 48 weeks, along with significant improvements in glycemic control and metabolic health markers." The same page states under "Mechanism of Action" that GLP-1 receptor activation "Enhances insulin secretion, suppresses appetite, and promotes satiety", that GIP receptor activation "Improves metabolic efficiency and augments fat metabolism", and that glucagon receptor activation "Drives fat oxidation and elevates energy expenditure, fostering metabolic flexibility". Higher on the page: "Preclinical and early research suggest that retatrutide may play a role in: Enhancing insulin sensitivity and glucose regulation; Modulating appetite and energy expenditure; Supporting investigations into obesity, diabetes, and metabolic disorders." Elsewhere the copy calls the compound "Premium Research Peptide" "delivering unmatched metabolic modulation" and "one of the most potent tools in metabolic and endocrinological laboratory research". The 24.2 percent figure is presented as a product attribute with no citation on the page. All of that sits alongside the same page's closing line, "Strictly intended for laboratory research use only. Not for human or veterinary use or any clinical application." Further observations: the retatrutide listing's URL slug is "retatrutide-pen-3" while the item sold is a 10 mg vial; the product is filed under the category "Uncategorized"; the top-of-site banner reads "Get premium Research peptides at unbeatable prices!"; and the catalog includes Tadalafil, Sildenafil and Cardarine, which the homepage groups under "Cardiovascular & Vascular Research". Same-name domain, observed not alleged: propeptides.com resolves to a different operator on a different host from propeptides.net, and serves an entirely different model. Its own navigation reads "Subscriptions", "Peptide Prescriptions", "PROPens", "Supplements" and "Oral Peptide Formulary", under the headings "Precision Peptide Management with Clinical Oversight" and "Clinician-Guided Peptides for Athletes & Everyday Wellness". I make no claim about any relationship between the two, and note only that a buyer searching the name will reach a prescription and subscription business rather than this research-chemical storefront.
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