10% off orders from £120
Code: WE•••••••
Terms
Min Order: £120
VERDICT
Arctic Lab Supply wins this matchup overall with 8.2/10 against 7.1/10 for UK Peptides Bio. UK Peptides Bio scores higher on support. Arctic Lab Supply comes out ahead on purity & testing, transparency, shipping and customer reviews. Arctic Lab Supply has the lower free-shipping threshold ($149 vs £300). With codes, UK Peptides Bio goes up to 10% OFF and Arctic Lab Supply up to 10% OFF. In short — UK Peptides Bio: UK labs and research buyers who want same-day dispatch and tracked delivery within the UK. Arctic Lab Supply: Buyers in the US or Canada who want lot-matched lab reports and same-day dispatch from Alaska.
| Criterion | UK Peptides Bio | Arctic Lab Supply |
|---|---|---|
| Overall score | 7.1 | 8.2WIN |
| Purity & testing | 7.5 | 9.0WIN |
| Transparency | 7.0 | 9.5WIN |
| Price & value | 5.4 | 5.4 |
| Shipping | 8.5 | 9.5WIN |
| Support | 9.5WIN | 7.0 |
| Customer reviews | 5.0 | 7.3WIN |
| Ratings on other platforms | No track record on other platforms yet | 4.2/5 from 28 reviews · Trustpilot |
| Best coupon | 10% OFF | 10% OFF |
| Price range | Not published | $27.99 |
| Free shipping from | £300 | $149 |
| Delivery | Dispatch same day before 1:00 PM GMT; Express next business day, Standard 2-3 business days | Same-day dispatch if paid by midnight ET; US Priority about 2–4 days, international usually 7–21 business days |
| Ships to | United Kingdom | United States, Worldwide, Europe, Canada |
| Range | Retatrutide, Tirzepatide, BPC-157, 5-Amino-1MQ, ACE-031, AHK-Cu | Research peptides, Lab supplies, Vial-cap gear, Pre-order items |
| Purity claim | ≥99% | Not published |
| Lab testing | Every batch is stated to be tested by independent labs with HPLC and mass spectrometry; 8 COAs are listed online. | 20 current lot-matched reports from ILS Laboratories and Freedom Diagnostics, viewable without an account. |
| Public COAs | Yes | Yes |
| Payment methods | Bank transfer, CHAPS), Credit card | Credit card, Bank transfer, Apple Pay, Google Pay, Zelle |
| Contact | E-mail, Phone, WhatsApp, Contact form | E-mail, Contact form |
| Refunds | No returns of opened or handled vials; vials damaged in transit are replaced free if reported within 48 hours with a photo. | Full refund if cancelled before shipping; 30 days on unopened items (you pay return); damaged or lost: reship or refund if reported in 48 hours. |
Best codes
The best code from each
10% off your order
Code: SA••••
Terms
It takes 10% off your product subtotal on every order, for new and returning customers. One code per order: SAVE10 doesn’t combine with other codes or with first-order or welcome-back offers.
Source: arcticlabsupply.com/discount-code · checked Nov 3, 2026