Arctic Lab Supply wins this matchup overall with 8.2/10 against 7.2/10 for Particle Peptides. Particle Peptides scores higher on support. Arctic Lab Supply comes out ahead on purity & testing, price & value, shipping and customer reviews. Arctic Lab Supply publishes a free-shipping threshold ($149); Particle Peptides does not. Arctic Lab Supply has a CodeVial code (10% OFF); Particle Peptides has none. In short — Particle Peptides: EU buyers who want to open COA reports before ordering and pay by bank transfer or card. Arctic Lab Supply: Buyers in the US or Canada who want lot-matched lab reports and same-day dispatch from Alaska.
Peptides, Bacteriostatic water, Laboratory research products
Research peptides, Lab supplies, Vial-cap gear, Pre-order items
Purity claim
Not published
Not published
Lab testing
Independent third-party tests of each batch for purity, identity, peptide content, endotoxins, heavy metals and bioburden; 101 COA documents are public.
20 current lot-matched reports from ILS Laboratories and Freedom Diagnostics, viewable without an account.
Public COAs
Yes
Yes
Payment methods
Bank transfer, Credit card
Credit card, Bank transfer, Apple Pay, Google Pay, Zelle
Contact
E-mail, Phone
E-mail, Contact form
Refunds
Returns only for defective goods and only after the shop's instruction; refunds are considered case by case.
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.
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.