Simply Peptides review
Checked 30 September 2026 ·No commercial relationship. Links to vendors are marked as sponsored.
Score 100/100 · position 8 of 36
Excellent
UK WooCommerce shop operated by Research Stack Ltd selling Retatrutide in 10mg and 30mg vials, with Janoshik reports for several batches on its lab reports page. Payment is by Fena pay-by-bank or Bitcoin.
What we found in its favour
- Janoshik PDFs and verification links are published for four Retatrutide batches (10mg and 30mg).
- Free tracked delivery on orders of £14.99 or more; same-day dispatch before 3pm.
- Accepts returns of unopened items within 14 days.
- Trustpilot score of 4.7 from 61 reviews (30 September 2026).
What cost it points
- No card payment option is offered; payment is by Fena pay-by-bank or Bitcoin (checked 30 September 2026).
- Retatrutide 30mg was out of stock on 30 September 2026 (expected back 9–12 October, per the product page).
- Janoshik-measured content differed from the labelled amount on the latest batches: 18.13mg for 10mg batch SP-0063 and 25.25mg for 30mg batch SP-0073.
- Only two vial sizes are sold publicly; trade packs require an invited trade account.
Retatrutide prices
| Product | Price | Per mg | Stock |
|---|---|---|---|
| Retatrutide 10mg | £45.00 | £4.50/mg | In stock |
| Retatrutide 30mg | £85.00 | £2.83/mg | Out of stock |
Prices as shown on the Simply Peptides 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 (typically next working day); cost £4.99 on orders under £14.99; free over £14.99
Carriers: Royal Mail. Dispatch: Same day for orders placed before 3pm on working days. Delivery: 1–2 working days (typically next working day). Cost: £4.99 on orders under £14.99. Free delivery over £14.99. About 99% of orders ship by Royal Mail Tracked 24; an alternative carrier may be used where Royal Mail is unavailable.
Payment methods listed — 10/10
- Payment methods listed: pay by bank, cryptocurrency
Payment options: pay by bank (open banking), cryptocurrency. Checkout offers Fena pay-by-bank and Bitcoin (Blockonomics), checked 30 September 2026. The FAQ states that card payments are not accepted.. Returns accepted for unopened, unused items in original packaging within 14 days of receipt; items with a broken security seal cannot be returned. Damage must be reported within 48 hours.
Independent lab report published — 20/20
- 4 retatrutide lab reports published — checked on the lab’s own site
| Lab | Test | Task / ID | Strength | Batch | Result | Tested |
|---|---|---|---|---|---|---|
| Janoshik Analytical | Identity & purity | #224608✓ checked on lab site | 30 mgmeasured 25.25 mg | SP-0073 | 99.854% | 26 August 2026 |
| Janoshik Analytical | Identity & purity | #224607✓ checked on lab site | 10 mgmeasured 18.13 mg | SP-0063 | 99.792% | 26 August 2026 |
| Janoshik Analytical | Identity & purity | #212586✓ checked on lab site | 30 mgmeasured 27.71 mg | 0526291 | 99.728% | 4 August 2026 |
| Janoshik Analytical | Identity & purity | #165845✓ checked on lab site | 10 mgmeasured 9.63 mg | 0126161 | 99.779% | 27 May 2026 |
Lab details are as published by the vendor. We opened every report on the lab’s own verification page and compared it with the vendor’s copy.
Lab report from the last 12 months — 10/10
- Latest report dated 2026-08-26 (35 days before our check)
Contact info listed — 10/10
- Contact details listed: email, address, Telegram
Research Stack Ltd, company number 16843184 (England and Wales), status active, incorporated 10 November 2025. Registered office: 71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ. Companies House record. The site footer shows trading name SimplyPeptides.co.uk, registered as Research Stack Ltd, company no. 16843184.
Independent rating found — 15/15
- Trustpilot 4.7 from 61 reviews
- Trustpilot: 4.7 from 61 reviews (checked 30 September 2026) — view
Perks confirmed — 10/10
- Free delivery on orders over £14.99
Prices and stock listed — 10/10
- Price and stock shown for all 2 listed products
Sources
Everything above comes from these pages, checked on 30 September 2026:
- simplypeptides.co.uk/
- simplypeptides.co.uk/wp-json/wc/store/v1/products?per_page=100
- simplypeptides.co.uk/wp-json/wc/store/v1/cart
- simplypeptides.co.uk/product/retatrutide-10mg/
- simplypeptides.co.uk/product/retatrutide-30mg/
- simplypeptides.co.uk/product/retatrutide-10mg-trade-pack/
- simplypeptides.co.uk/lab-reports/
- simplypeptides.co.uk/wp-content/uploads/2026/08/Janoshik_COA_Retatrutide_10mg_Batch_SP-0063.pdf
- simplypeptides.co.uk/wp-content/uploads/2026/06/Janoshik_COA_Retatrutide_10mg_Batch_0126161.pdf
- simplypeptides.co.uk/wp-content/uploads/2026/08/Janoshik_COA_Retatrutide_30mg_Batch_SP-0073.pdf
- simplypeptides.co.uk/wp-content/uploads/2026/08/Janoshik_COA_Retatrutide_30mg_Batch_0526291.pdf
- simplypeptides.co.uk/delivery-policy/
- simplypeptides.co.uk/returns-refunds/
- simplypeptides.co.uk/faq/
- simplypeptides.co.uk/payment/
- simplypeptides.co.uk/terms-conditions/
- simplypeptides.co.uk/contact/
- find-and-update.company-information.service.gov.uk/company/16843184
- uk.trustpilot.com/review/simplypeptides.co.uk
Spotted something out of date?
Vendors change prices and policies often. Email contact@retaradar.co.uk and we will re-check.