Why we name no vendors
An endorsement — even implicit — of a specific seller of unapproved compounds would undermine the evidence-first premise of this site, and in most jurisdictions would be legally problematic. More practically: vendor quality is unverifiable from a website.
The verification hierarchy
For approved medicines: licensed pharmacies dispensing prescriptions. That's the entire list. For research-grade compounds there is no equivalent assurance — at best, a vendor provides third-party certificates of analysis, which are themselves forgeable and batch-specific.
Red flags worth memorizing
Dosing protocols in marketing copy. Human-use testimonials for research chemicals. Prices that signal repackaged industrial material. "Physician-grade" language without physician involvement. Blend products with no published combination data. Each of these is disqualifying on its own.
The regulatory weather
Regulators have warned about compounded and research-grade peptide supply chains repeatedly, and enforcement patterns change. Anyone sourcing in this space should track their own jurisdiction's current position — and read the warning pages on this site's compound entries first.
Directory data: 15 vendors · 131 products · 1,778 quotes · Last updated: 2026-09-13 · Vendor-published prices, re-checked periodically; accuracy not guaranteed.