Peptology Labs review
Checked 30 September 2026 ·No commercial relationship. Links to vendors are marked as sponsored.
Score 100/100 · position 7 of 36
Excellent
London-registered company selling retatrutide under the name 'RT' in 10mg, 20mg and 30mg vials, with batch-specific Janoshik reports linked from each product page.
What we found in its favour
- Company name and number (17117319) shown on the site and matching Companies House.
- Janoshik reports for each size, with batch numbers and verification keys, linked from product pages; the 30mg batch also has heavy-metal and endotoxin reports.
- Tracked delivery £4.99, free over £50; same-day dispatch before 2pm on weekdays.
- Trustpilot score 4.8 from 85 reviews (checked 30 September 2026).
What cost it points
- Card payment is not offered at checkout; payment is by Wallid pay-by-bank.
- Company incorporated on 25 March 2026, so trading history is short.
- Delivery carrier is not named on the delivery page.
- Products are listed under abbreviated names (RT 10, RT 20, RT 30).
Retatrutide prices
| Product | Price | Per mg | Stock |
|---|---|---|---|
| RT 10 (Retatrutide 10mg) | £64.95 | £6.50/mg | In stock |
| RT 20 (Retatrutide 20mg) | £89.95 | £4.50/mg | In stock |
| RT 30 (Retatrutide 30mg) | £119.95 | £4.00/mg | In stock |
Prices as shown on the Peptology Labs site on 30 September 2026. The site does not state whether prices include VAT.
Shipping details confirmed — 15/15
- UK delivery terms published: delivery 1–2 working days from dispatch; cost £4.99; free over £50
Dispatch: Same working day for orders before 2pm Monday–Friday. Delivery: 1–2 working days from dispatch. Cost: £4.99. Free delivery over £50. Service is described as 'Tracked 24'; the carrier is not named on the delivery page. Tracked delivery to some other countries costs £14.99 (free over £200).
Payment methods listed — 10/10
- Payment methods listed: pay by bank, bank transfer
Payment options: pay by bank (open banking), bank transfer. Checkout offers Wallid pay-by-bank only. IBAN bank transfer is offered for international orders arranged by email.. Terms refer to a 14-day cancellation right under UK consumer law, with exclusions for opened or compromised items. Non-fault returns must be unused, unopened and sealed and sent only after approval. Damaged, missing or incorrect items must be reported within 48 hours with photographs.
Independent lab report published — 20/20
- 3 retatrutide lab reports published — checked on the lab’s own site
| Lab | Test | Task / ID | Strength | Batch | Result | Tested |
|---|---|---|---|---|---|---|
| Janoshik Analytical | Endotoxin | #227063 | 30 mg | RT3974 | — | 2 September 2026 |
| Janoshik Analytical | Identity & purity | #227062✓ checked on lab site | 30 mgmeasured 32.18 mg | RT3974 | 99.557% | 1 September 2026 |
| Janoshik Analytical | Heavy metals | #222931 | 30 mg | RT3974 | See report | 24 August 2026 |
| Janoshik Analytical | Identity & purity | #222924✓ checked on lab site | 20 mgmeasured 20.87 mg | RT2851 | 99.891% | 21 August 2026 |
| Janoshik Analytical | Identity & purity | #221320✓ checked on lab site | 10 mgmeasured 10.55 mg | RT1047 | 99.034% | 20 August 2026 |
Lab details are as published by the vendor. Reports marked ✓ were opened on the lab’s own verification page and matched the vendor’s copy.
Lab report from the last 12 months — 10/10
- Latest report dated 2026-09-01 (29 days before our check)
Contact info listed — 10/10
- Contact details listed: email, address
Peptology Labs Ltd, company number 17117319 (England and Wales), status active, incorporated 25 March 2026. Registered office: 66 Paul Street, London, England, EC2A 4NA. Companies House record. SIC 46750 – Wholesale of chemical products.
Independent rating found — 15/15
- Trustpilot 4.8 from 85 reviews
- Trustpilot: 4.8 from 85 reviews (checked 30 September 2026) — view
Perks confirmed — 10/10
- Free delivery on orders over £50
Prices and stock listed — 10/10
- Price and stock shown for all 3 listed products
Sources
Everything above comes from these pages, checked on 30 September 2026:
- peptologylabs.uk/
- peptologylabs.uk/product/pl-r2/
- peptologylabs.uk/product/pl-r1/
- peptologylabs.uk/product/pl-r3/
- peptologylabs.uk/wp-json/wc/store/v1/products?per_page=100
- peptologylabs.uk/coa-verification/
- peptologylabs.uk/wp-content/uploads/2026/08/RETA-RT1047.pdf
- peptologylabs.uk/wp-content/uploads/2026/08/Reta-20mg-RT2851.pdf
- peptologylabs.uk/wp-content/uploads/2026/09/Reta-RT3974-Full-Test.pdf
- peptologylabs.uk/delivery/
- peptologylabs.uk/payment/
- peptologylabs.uk/contact/
- peptologylabs.uk/terms-conditions/
- peptologylabs.uk/reconstitution-calculator/
- peptologylabs.uk/wp-json/wc/store/v1/cart
- uk.trustpilot.com/review/peptologylabs.uk
- find-and-update.company-information.service.gov.uk/company/17117319
Spotted something out of date?
Vendors change prices and policies often. Email contact@retaradar.co.uk and we will re-check.