Blog
Data-driven guides, vendor analysis, and research insights. No hype, no affiliate-first rankings — just what the data shows.
RFK Jr. Peptide Announcement — 14 Peptides Moving to Category 1 (What Actually Changed)
On February 27, 2026, HHS Secretary Robert F. Kennedy Jr. announced that 14 peptides would be reclassified from Category 2 to Category 1 — but the formal FDA rule hasn't been published yet. Here's a fact-based breakdown.
Read more →Are Peptides Legal? Complete Regulatory Status Guide (March 2026)
The legal status of peptides is changing fast. Here's the current regulatory status of every major peptide — what you can legally buy, what requires a prescription, and what's still restricted.
Read more →FDA Peptide Compounding Timeline — From the 2023 Ban to the 2026 Reversal
The FDA's regulation of peptide compounding has shifted dramatically since 2023. Here's the complete timeline of what happened, when, and what comes next.
Read more →Best Peptide Vendors in 2026 — Tested & Ranked by Data
We scored 20 vendors across five criteria: COA transparency, verified purity, community sentiment, pricing, and shipping. No affiliate bias — just data.
Read more →Where to Buy Peptides Online — Best Peptide Sources & Suppliers (2026)
Looking for a reliable peptide supplier? We compared 20 vendors across purity testing, customer reviews, and price per mg to find the best sources.
Read more →Peptide Sciences Shuts Down — What It Means for the Research Peptide Market
The largest research peptide vendor shut down in March 2026. Finnrick E-rated their retatrutide, Trustpilot flagged multiple vendors, and the market is shifting to prescribed access.
Read more →Peptide Clinics vs Research Vendors — The Market Is Shifting (2026 Guide)
The peptide market is splitting in two: grey market research vendors and legitimate telehealth clinics. Here's how they compare and where things are heading.
Read more →Peptide Purity Testing — How to Read a COA & Verify Vendor Quality
A COA is the single most important document when evaluating a peptide vendor. Here's how to read one — and what red flags to watch for.
Read more →Where to Buy GHK-Cu for Research — Price Comparison Across 15+ Vendors
GHK-Cu is the third most-searched research peptide. We compared pricing and purity data across vendors to find the best value.
Read more →Where to Buy Semaglutide for Research in 2026 — Price & Purity Comparison
Semaglutide is the most-searched research peptide. We compared prices and purity data across 15+ vendors to find the best sources.
Read more →Where to Buy TB-500 for Research — Vendor Pricing & Purity Guide
TB-500 is the fourth most-searched peptide at 40,500 monthly searches. Here's where to find the best prices with verified purity.
Read more →Where to Buy BPC-157 for Research — Vendor Pricing & Purity Guide
BPC-157 is one of the most popular research peptides. We compared pricing and purity data across vendors to find the best sources for researchers.
Read more →Where to Buy PT-141 (Bremelanotide) for Research — Price & Vendor Guide
PT-141 has 27,100 monthly searches. We compared vendor prices and purity data to find the best research sources.
Read more →Lyophilized vs Pre-Mixed Peptides — Which Form Should Researchers Choose?
Lyophilized powder or pre-mixed solution? We break down the stability, cost, and practical differences for peptide researchers.
Read more →Cheapest Peptides — Price per mg Comparison Across 20 Vendors (2026)
Which vendors have the cheapest peptides? We analyzed 1,600+ products across 20 vendors to find the lowest price per mg for every major compound.
Read more →For research reference only. Not medical advice. Not for human consumption. All compounds discussed are research chemicals.