VERDICT
Peptology wins this matchup overall with 8.4/10 against 8.2/10 for Arctic Lab Supply. A very narrow margin. Arctic Lab Supply scores higher on price & value, shipping and customer reviews. Peptology comes out ahead on purity & testing, transparency and support. Peptology has the lower free-shipping threshold (€50 vs $149). Arctic Lab Supply has a CodeVial code (10% OFF); Peptology has none. In short — Arctic Lab Supply: Buyers in the US or Canada who want lot-matched lab reports and same-day dispatch from Alaska. Peptology: Buyers in Austria who want published per-batch lab reports and GLS delivery.
| Criterion | Arctic Lab Supply | Peptology |
|---|---|---|
| Overall score | 8.2 | 8.4WIN |
| Purity & testing | 9.0 | 10.0WIN |
| Transparency | 9.5 | 10.0WIN |
| Price & value | 5.4WIN | 5.3 |
| Shipping | 9.5WIN | 9.0 |
| Support | 7.0 | 10.0WIN |
| Customer reviews | 7.3WIN | 5.0 |
| Ratings on other platforms | 4.2/5 from 28 reviews · Trustpilot | No track record on other platforms yet |
| Best coupon | 10% OFF | Not published |
| Price range | $27.99 | Not published |
| Free shipping from | $149 | €50 |
| Delivery | Same-day dispatch if paid by midnight ET; US Priority about 2–4 days, international usually 7–21 business days | Processed same day if ordered by 15:00 on working days; shipped within 3-5 working days of confirmation |
| Ships to | United States, Worldwide, Europe, Canada | Austria |
| Range | Research peptides, Lab supplies, Vial-cap gear, Pre-order items | Research peptides, Peptide solutions, Six product groups |
| Purity claim | Not published | ≥99% |
| Lab testing | 20 current lot-matched reports from ILS Laboratories and Freedom Diagnostics, viewable without an account. | A sample of each batch goes to independent lab Analiza Białek (RP-HPLC, LC/MS, endotoxins); 144 COA reports are public. |
| Public COAs | Yes | Yes |
| Payment methods | Credit card, Bank transfer, Apple Pay, Google Pay, Zelle | Credit card, Bank transfer |
| Contact | E-mail, Contact form | E-mail, Phone, Live chat, Contact form |
| Refunds | 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. | Returns within 14 days if unopened and in original packaging; justified complaints get a replacement or refund. |
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