VendorsPeptide Sciences Is Gone: 5 Vendors Still Shipping
Most "alternatives" lists are ads. We compared 5 vendors on price, COA testing, and catalog depth — one scores 9.4/10 overall.
Peptide News & Analysis
FDA actions, trial readouts, vendor coverage and pricing reports — curated for peptide buyers and clinicians.
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Vendors8 min read
Strate Labs Is Gone: 5 Vendors Still Shipping
Strate Labs is winding down July 1, 2026. We compared 5 vendors still shipping on price, COA testing, and catalog depth — one scores highest.
Trials9 min read
Ribupatide: 19.2% Weight Loss and No Way to Buy It
Kailera's ribupatide (KAI-9531) hit 19.2% weight loss in China's Phase 3 and is now in global trials. Why it isn't for sale — and what ships today.
Vendors9 min read
Peptide Vendors Shut Down 2025-2026: Who's Left
8+ vendors gone — and more are coming. Full shutdown list with reasons, warning signs, and which vendors are still shipping with COA testing.
Vendors7 min read
Is Ascension Peptides Legit? 50% Off Tested
50% off sitewide tested across 6 months of real orders. Independent COA checks, BPC-157 at $25/10mg, shipping tracked. What the discount actually delivers.
Industry9 min read
Lilly Sues 6 Retatrutide Sellers: Who's Affected
Eli Lilly filed six suits on August 12 over retatrutide sales. The named defendants, the payment-processor ask, and what actually changes for buyers.
Trials8 min read
Once-Yearly Semaglutide Implant: Phase 1 Dosing Done
Vivani dosed all 20 subjects in SLIM-1, the first human trial of a once-yearly semaglutide implant. Novo is evaluating it. What buyers can use now.
Industry9 min read
GLP-1 Antitrust Suit Tossed: What Changes for Buyers
A Texas judge dismissed Strive's antitrust case against Lilly and Novo, ruling compounded GLP-1s never competed with the branded drugs at all.
Industry5 min read
Peptide Vendor Code Names Decoded: GLP-3, MHC-3 RT & More
GLP-3 RT, ION-3R, EZP-3P and R-30 are the same compound. A decoder for every obfuscated vendor SKU, and what each one actually costs per mg.
Industry5 min read
How to Verify a Peptide COA: 6 Checks
A vendor founder went to prison for forging lab certificates. Six checks that separate a real Certificate of Analysis from a PDF that proves nothing.
Industry8 min read
Compounded GLP-1 State Laws: Who Restricts What
California codified a stricter copy rule, Ohio suspended 30+ licenses, Washington issued stop-service orders. The state layer now gates compounded GLP-1s.
Vendors5 min read
Is Ascend Science Legit? Reviews, COAs & Prices
A 15-month-old vendor with unusually strong lab documentation and almost no reputation yet. What their COAs really show, and how the pricing compares.
Industry7 min read
CagriSema vs Tirzepatide: REIMAGINE 4 Diabetes Data
Novo's amylin/GLP-1 combo matched tirzepatide on weight but missed on blood sugar in the 68-week REIMAGINE 4 head-to-head. What it means for buyers.
Industry7 min read
Pfizer Kills Oral GLP-1 Peptide: What's Left in Pipeline
Pfizer axed its ex-Metsera oral GLP-1 peptide and a phase 2 GIPR antagonist. What survived the cut, and what it changes for research-peptide sourcing.
Industry7 min read
What Doctors Think About Peptides: New Survey Data
48% of physicians say patients disclosed peptide use last year — and 84% got their information from influencers, not doctors. The full survey data.
Pricing14 min read
Peptide Price Index 2026: 90-Day Vendor Trends
3,596 daily price observations across 9 vendors and 56 peptides — median $/mg, volatility bands, and a 12.2% stockout rate. Trailing 90 days.
Regulatory8 min read
Compounded GLP-1s: FDA Docket Closed, 3,901 Comments
The FDA's plan to bar 503B bulk compounding of semaglutide, tirzepatide and liraglutide drew 3,901 comments before the July 30 cutoff. What survives.