VERDICT
Peptology wins this matchup overall with 8.4/10 against 8.2/10 for Arctic Lab Supply. A very narrow margin. Peptology scores higher on purity & testing, transparency and support. Arctic Lab Supply comes out ahead on price & value, shipping and customer reviews. Peptology has the lower free-shipping threshold (€50 vs $149). Arctic Lab Supply has a CodeVial code (10% OFF); Peptology has none. In short — Peptology: Buyers in Austria who want published per-batch lab reports and GLS delivery. Arctic Lab Supply: Buyers in the US or Canada who want lot-matched lab reports and same-day dispatch from Alaska.
| Criterion | Peptology | Arctic Lab Supply |
|---|---|---|
| Overall score | 8.4WIN | 8.2 |
| Purity & testing | 10.0WIN | 9.0 |
| Transparency | 10.0WIN | 9.5 |
| Price & value | 5.3 | 5.4WIN |
| Shipping | 9.0 | 9.5WIN |
| Support | 10.0WIN | 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 | Not published | 10% OFF |
| Price range | Not published | $27.99 |
| Free shipping from | €50 | $149 |
| Delivery | Processed same day if ordered by 15:00 on working days; shipped within 3-5 working days of confirmation | Same-day dispatch if paid by midnight ET; US Priority about 2–4 days, international usually 7–21 business days |
| Ships to | Austria | United States, Worldwide, Europe, Canada |
| Range | Research peptides, Peptide solutions, Six product groups | Research peptides, Lab supplies, Vial-cap gear, Pre-order items |
| Purity claim | ≥99% | Not published |
| Lab testing | A sample of each batch goes to independent lab Analiza Białek (RP-HPLC, LC/MS, endotoxins); 144 COA reports are public. | 20 current lot-matched reports from ILS Laboratories and Freedom Diagnostics, viewable without an account. |
| Public COAs | Yes | Yes |
| Payment methods | Credit card, Bank transfer | Credit card, Bank transfer, Apple Pay, Google Pay, Zelle |
| Contact | E-mail, Phone, Live chat, Contact form | E-mail, Contact form |
| Refunds | Returns within 14 days if unopened and in original packaging; justified complaints get a replacement or refund. | 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
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