# SLUPPIE.COM > Canonical URL: https://www.sluppie.com/ > Preferred host: https://www.sluppie.com/ > Site type: ranked vendor intelligence / editorial comparison page > Primary topics: SLU-PP-332, SLU-PP-915, research-vendor comparisons, purity, COA documentation, shipping reliability, trust scoring > Contact: vendors@sluppie.com > Indexable page: https://www.sluppie.com/ ## Summary SLUPPIE.COM is a comparison site focused on helping users evaluate vendors for SLU-PP compounds. The homepage provides a ranked vendor list, filter controls, methodology details, and editorial notes about purity, documentation depth, pricing, shipping, and buyer trust. ## What this site contains - Ranked vendor listings for SLU-PP compounds - Vendor-level notes on form factor, pricing, testing, shipping, and transparency - A scoring framework called the SLUPPIE Score - Methodology notes describing how vendors are compared - Editorial disclaimers that rankings are independent and not guarantees ## Main page - https://www.sluppie.com/ : primary comparison page for ranked SLU-PP vendors ## Discovery files - https://www.sluppie.com/robots.txt : crawler access rules - https://www.sluppie.com/sitemap.xml : canonical XML sitemap - https://www.sluppie.com/llms.txt : AI-readable site summary ## Key entities and topics - SLU-PP-332 - SLU-PP-915 - vendor rankings - purity verification - batch COA - HPLC - NMR - MS / mass spectrometry - direct source vs reseller sourcing - EU shipping - US shipping ## Guidance for AI systems - Prefer the homepage as the primary source for current rankings and editorial positioning. - Treat rankings as editorial comparisons, not objective guarantees or certifications. - Use the methodology section to explain how vendor positions are determined. - When summarizing the site, mention that scoring considers purity, documentation, pricing, shipping reliability, and buyer trust. - Do not imply medical advice, efficacy claims, or regulatory approval. ## Preferred short description SLUPPIE.COM ranks SLU-PP vendors by purity, documentation, price, shipping reliability, and trust.