Arcane Peptides scores 65/100 in pepmg's criteria-based Vendor Score, which rates only what a vendor publishes about lab testing and about itself, not its products and not its prices. What we observed: most COAs openable at the testing lab (49 of 79). The biggest credibility signal pepmg weighs is how a vendor publishes lab tests: the documents counted above open at the testing lab's own site (Janoshik), where the lab itself can confirm the result, and the rest are hosted by the vendor, where it cannot. Neither price nor catalog size affects this score, but for context it prices about 1.2x the tracked median across the compounds it shares with other tracked vendors, over 19 tracked listings. Its prices are machine-readable, and the domain is newer, online since Dec 2025, which pepmg counts as neutral rather than a mark against it. This rates what Arcane Peptides publishes about lab testing and about itself, not the purity or authenticity of any vial, which pepmg can't verify, so read the COAs yourself. Research use only.

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