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

Generic Semaglutide: Live Abroad, US Locked Till 2031
IndustryAug 28, 20269 min read

Generic Semaglutide: Live Abroad, US Locked Till 2031

Semaglutide generics launched in India and Canada in 2026 at $14-78 a month. US patents run to December 2031. What US buyers can source now.

GLP-1 Bone Loss: What the 5-Year Data Actually Shows
IndustryAug 27, 202612 min read

GLP-1 Bone Loss: What the 5-Year Data Actually Shows

Five-year records on 73,483 GLP-1 users show higher osteoporosis rates — but only in some groups. The numbers, the mechanism, what people track.

HM17321: Roche's $2.3B Muscle-Sparing Obesity Peptide
IndustryAug 26, 20267 min read

HM17321: Roche's $2.3B Muscle-Sparing Obesity Peptide

Roche paid $190M upfront for HM17321, a urocortin-2 analog that raised lean mass while cutting fat in monkeys. What it changes for GLP-1 users now.

Can You Mix Peptides in the Same Syringe? (2026)
IndustryAug 25, 20269 min read

Can You Mix Peptides in the Same Syringe?

Which peptide pairs get combined in one syringe, which never are, and why pre-blended vials sidestep the question. Sorted by pH, stability and sterility.

Yale Study: Semaglutide Needs Hunger Neurons for Fat Loss
IndustryAug 24, 20266 min read

Yale Study: Semaglutide Needs Hunger Neurons for Fat Loss

A PNAS study found semaglutide switches ON AgRP hunger neurons — and disrupting them blunts fat loss. Why returning appetite isn't the same as failure.

Retatrutide Early Access: Who Actually Qualifies
IndustryAug 23, 20267 min read

Retatrutide Early Access: Who Actually Qualifies

Lilly opened retatrutide early access before FDA approval. Four criteria gate it, three parties sign off — and why almost nobody gets through.

Hims Peptide Launch: What Ships, What Waits on FDA
IndustryAug 20, 20267 min read

Hims Peptide Launch: What Ships, What Waits on FDA

Hims & Hers will sell sermorelin, glutathione and NAD+ by year-end. BPC-157 and five more wait on FDA rulemaking — the timeline, and where they sell now.

GLP-1s and Birth Control: What the Labels Require
IndustryAug 19, 202611 min read

GLP-1s and Birth Control: What the Labels Require

Tirzepatide cut oral contraceptive exposure 20%; semaglutide showed none. New Aug 2026 consensus guidelines. Which compounds carry the warning.

GLP-1s and PMOS (PCOS): What the Trial Data Shows
TrialsAug 16, 202610 min read

GLP-1s and PMOS (PCOS): What the Trial Data Shows

A semaglutide analysis in PMOS — the condition formerly called PCOS — reported 52% lower testosterone and more regular cycles. What the data shows.

Is Retatrutide a Biologic? The FDA Fight Explained
IndustryAug 15, 202610 min read

Is Retatrutide a Biologic? The FDA Fight Explained

A court sent FDA back to the drawing board on retatrutide's classification. The 41st amino acid decides whether it can ever be compounded.

Ribupatide: 19.2% Weight Loss and No Way to Buy It
TrialsAug 14, 20269 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.

Lilly Sues 6 Retatrutide Sellers: Who's Affected
IndustryAug 13, 202616 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.

Once-Yearly Semaglutide Implant: Phase 1 Dosing Done
TrialsAug 9, 20268 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.

GLP-1 Antitrust Suit Tossed: What Changes for Buyers
IndustryAug 8, 20269 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.

GLP-3 RT Peptide: What It Is, Codes & Prices (2026)
IndustryAug 7, 20265 min read

GLP-3 RT Peptide: What It Is, Codes & Prices

GLP-3 RT is a vendor code name for retatrutide. So are ION-3R, EZP-3P and R-30. Every coded SKU decoded, plus what each one costs per mg.

How to Verify a Peptide COA: 6 Checks (2026)
IndustryAug 7, 20265 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.

Compounded GLP-1 State Laws: Who Restricts What
IndustryAug 7, 20268 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.

Is Ascend Science Legit? Reviews, COAs & Prices (2026)
VendorsAug 7, 20265 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.

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

Page 4 of 11
Previous1…345…11Next

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.