The Peptide Catalog
50% off
All Coupons — Save 50%→
Research SuppliesCommunitySign in

Browse

  • Articles & Dosing Guides
  • Peptides A–Z
  • Blends
  • Categories
  • Compare
  • Goals
  • Community

Buy

  • Peptide Prices
  • Coupon Codes
  • Shop
  • Peptide Skincare
  • Doctor-Guided
  • Testing Labs

Tools

  • Reconstitution Calculator
  • Peptide Match
  • Bulk Calculator
  • Storage Guide
  • Bacteriostatic Water
  • Peptide Laws by State

Site

  • About
  • Editorial Policy
  • Contact

For research and educational purposes only. Not medical advice.

The Peptide Catalog earns affiliate commissions on links to vendor partners. As an Amazon Associate, The Peptide Catalog earns from qualifying purchases.

Home›News

Peptide News & Analysis

FDA actions, trial readouts, vendor coverage and pricing reports — curated for peptide buyers and clinicians.

Daily Peptide News

New articles delivered to your inbox every morning. Free.

Latest News

Semaglutide Cuts Heart Risk 29% More Than Tirzepatide
TrialsApr 26, 20266 min read

Semaglutide Cuts Heart Risk 29% More Than Tirzepatide

New STEER study: semaglutide cut major cardiac events 29% more than tirzepatide in obesity patients without diabetes. What it means for stack choice.

Dynamic Peptide Review: Not Recommended (2026)
VendorsApr 26, 20262 min read

Dynamic Peptide Review: Not Recommended

Dynamic Peptide is no longer on our recommended vendor list. What that means if you were planning to order, and the vendors we point buyers to now.

BioLongevity Labs Review (2026)
VendorsApr 26, 20262 min read

BioLongevity Labs Review

BioLongevity Labs is a US research-peptide vendor focused on specialty and longevity compounds. How they operate and the vendors we track side by side.

Best Peptide Vendors 2026: COA-Tested Sources Ranked
VendorsApr 26, 20265 min read

Best Peptide Vendors 2026: COA-Tested Sources Ranked

5 vendors compared on third-party COA, price, and shipping reliability. Scorecard with $/mg comparison and which ones don't pass our test.

Semaglutide Reverses Knee Cartilage: New Study (2026)
TrialsApr 25, 20267 min read

Semaglutide Reverses Knee Cartilage: New Study

May 2026 research: semaglutide reverses knee cartilage damage independent of weight loss. MRI showed 17% thicker cartilage. What it means.

Retatrutide Tingling: 20.9% Hit by Dysesthesia (2026)
TrialsApr 25, 20266 min read

Retatrutide Tingling: 20.9% Hit by Dysesthesia

TRIUMPH-4 Phase 3 found 1 in 5 patients on retatrutide 12mg develop dysesthesia. What it feels like, why it happens, and how to manage it without quitting.

The Peptide Media Panic: What They Got Wrong (2026)
IndustryApr 25, 20265 min read

The Peptide Media Panic: What They Got Wrong

The New Yorker, NBC, and STAT ran peptide scare stories in April 2026. Here is what they nailed, what they missed, and how to actually stay safe.

Orforglipron Approved: First Oral GLP-1 Pill (2026)
RegulatoryApr 25, 20264 min read

Orforglipron Approved: First Oral GLP-1 Pill

FDA approved orforglipron April 1 at $149/mo -- but compounded semaglutide still beats it on weight loss. Full cost and efficacy comparison inside.

GLP-1 Not Needed for Weight Loss? GIP/Glucagon (2026)
IndustryApr 25, 20268 min read

GLP-1 Not Needed for Weight Loss? GIP/Glucagon

DiMarchi, who pioneered GLP-1 obesity drugs, now says GIP/glucagon alone may match GLP-1 — without nausea. What it means for retatrutide buyers.

GLP-1 Genetic Resistance: What to Do If You're a Non-Responder (2026)
IndustryApr 25, 20264 min read

GLP-1 Genetic Resistance: What to Do If You're a Non-Responder

10% of people carry gene variants that reduce GLP-1 drug response. How to tell if you're one, what the research says, and which alternatives actually work.

GLP-1 for Alzheimer's: 2026 Trial Results (Mixed)
TrialsApr 25, 20268 min read

GLP-1 for Alzheimer's: 2026 Trial Results (Mixed)

Semaglutide EVOKE trial missed its primary endpoint. Liraglutide ELAD showed 50% less brain volume loss. What the 2026 data means for GLP-1 peptide buyers.

GHRH vs GHRP: Different Receptors Guide (2026)
IndustryApr 25, 202610 min read

GHRH vs GHRP: Different Receptors Guide

They both boost GH but through completely different pathways. Mechanisms, stacking logic, and which to use when.

14 Peptides Legal Again: FDA Reclassification Explained (2026)
RegulatoryApr 25, 202611 min read

14 Peptides Legal Again: FDA Reclassification Explained

RFK Jr. announced 14 of 19 banned peptides return to Category 1. Which ones, what it means for compounding, and 5 that stay restricted.

Dihexa: Off FDA Category 2, But Is It Legit? (2026)
RegulatoryApr 25, 20268 min read

Dihexa: Off FDA Category 2, But Is It Legit?

Dihexa dropped off FDA Category 2 April 22. But the foundational research came from a company that paid $4M for misconduct. Here's the full picture.

GLP-1 Compounding Crackdown: Your Options Now (2026)
RegulatoryApr 25, 20266 min read

GLP-1 Compounding Crackdown: Your Options Now

FDA sent 30 warning letters to telehealth GLP-1 compounders. Here's what's still legal, what changed, and where to source semaglutide and tirzepatide now.

Ascension Peptides vs EZ Peptides (2026)
VendorsApr 25, 20269 min read

Ascension Peptides vs EZ Peptides

50% off vs 10% off — which vendor wins on price, catalog, and COAs? We ran the $/mg math on BPC-157, retatrutide, tirzepatide, and more.

Peptides Under $50/vial: 12 Picks (2026)
PricingApr 23, 202610 min read

Peptides Under $50/vial: 12 Picks

12 peptides priced under $50/vial with real vendor links — healing, cognitive, sexual, metabolic. $/mg shown for every pick so you can buy smart.

Peptide Stacks Under $200/Month (2026)
PricingApr 23, 20269 min read

Peptide Stacks Under $200/Month

4 complete peptide protocols under $200/month — fat loss, healing, anti-aging, sleep. Per-peptide cost math, vendor picks, and which vial to buy.

No articles on this page match your search. Try a different term or view all news.

Page 10 of 11
Previous1…91011Next

Looking for dosing guides or peptide-specific writeups? Browse the full library on the articles index.

Wondering if peptides are legal in your state? See the state-by-state legal guide.