25% off orders from €5,000
Code: RP••••
Terms
One discount per order. The highest qualifying tier applies.
VERDICT
Research Peptides Europe and Arctic Lab Supply are tied on our overall score at 8.2/10. Research Peptides Europe scores higher on price & value, support and customer reviews. Arctic Lab Supply comes out ahead on purity & testing and shipping. Arctic Lab Supply publishes a free-shipping threshold ($149); Research Peptides Europe does not. With codes, Research Peptides Europe goes up to 25% OFF and Arctic Lab Supply up to 10% OFF. In short — Research Peptides Europe: EU buyers who want COAs and a registered Irish operator and can pay by bank transfer. Arctic Lab Supply: Buyers in the US or Canada who want lot-matched lab reports and same-day dispatch from Alaska.
| Criterion | Research Peptides Europe | Arctic Lab Supply |
|---|---|---|
| Overall score | 8.2 | 8.2 |
| Purity & testing | 8.0 | 9.0WIN |
| Transparency | 9.5 | 9.5 |
| Price & value | 6.3WIN | 5.4 |
| Shipping | 7.0 | 9.5WIN |
| Support | 9.5WIN | 7.0 |
| Customer reviews | 9.0WIN | 7.3 |
| Ratings on other platforms | 4.7/5 from 102 reviews · Trustpilot, ApexPeptidesBenchmark | 4.2/5 from 28 reviews · Trustpilot |
| Best coupon | 25% OFF | 10% OFF |
| Price range | €17.99 – €179.99 | $27.99 |
| Free shipping from | Not published | $149 |
| Delivery | Dispatch within 1 day of payment; standard delivery 2-14 days, express 2-7 days | Same-day dispatch if paid by midnight ET; US Priority about 2–4 days, international usually 7–21 business days |
| Ships to | EU, Europe | United States, Worldwide, Europe, Canada |
| Range | Peptides, Nasal sprays, Consumables | Research peptides, Lab supplies, Vial-cap gear, Pre-order items |
| Purity claim | ≥99.8% | Not published |
| Lab testing | Each batch is tested by an accredited third-party lab (HPLC, LC-MS, FTIR, endotoxin, heavy metals); COAs are published on the site. | 20 current lot-matched reports from ILS Laboratories and Freedom Diagnostics, viewable without an account. |
| Public COAs | Yes | Yes |
| Payment methods | Bank transfer, Payment link, on request) | Credit card, Bank transfer, Apple Pay, Google Pay, Zelle |
| Contact | E-mail, Phone, WhatsApp | E-mail, Contact form |
| Refunds | All sales are final; replacement or refund only for damaged, defective or wrong items, claimed within 7 days of delivery with photos. | 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
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