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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

EASO Now Ranks Tirzepatide Above Semaglutide
IndustryMay 21, 20265 min read

EASO Now Ranks Tirzepatide Above Semaglutide

Europe's top obesity body updated its algorithm May 12 — tirzepatide leads for weight loss, semaglutide for liver fibrosis. What it means for buyers.

MariTide Switch Trial: From Weekly GLP-1 to Monthly
IndustryMay 20, 20267 min read

MariTide Switch Trial: From Weekly GLP-1 to Monthly

Amgen's 300-patient MARITIME-Switch trial tests transitioning from weekly semaglutide or tirzepatide to MariTide every 8 weeks or quarterly.

What Are Peptides? How They Work in 2026
IndustryMay 19, 20264 min read

What Are Peptides? How They Work in 2026

Peptides are amino acid chains that signal specific receptors. Key categories: growth hormone, metabolic, healing, and cognitive.

Peptide Stacking: 13 Best Combos & Doses (2026)
IndustryMay 19, 202614 min read

Peptide Stacking: 13 Best Combos & Doses

Not all stacks are equal — 3 combos stand out for synergy. 13 stacks with exact doses, timing, and which combos to avoid.

How Peptides Work: 4 Key Mechanisms (2026)
IndustryMay 19, 202612 min read

How Peptides Work: 4 Key Mechanisms

GH release, mitochondrial repair, metabolic signaling, and immune modulation — four pathways that explain every peptide.

FDA Fast-Tracks Liraglutide Knee Injection for OA
IndustryMay 19, 20268 min read

FDA Fast-Tracks Liraglutide Knee Injection for OA

FDA gave 4P004 — intra-articular liraglutide for knee osteoarthritis — Fast Track in April. What it means for GLP-1 buyers and OA patients.

Tirzepatide Loses More Muscle Than Semaglutide: 670k Data
IndustryMay 17, 20269 min read

Tirzepatide Loses More Muscle Than Semaglutide: 670k Data

New nference preprint of 670,422 GLP-1 users shows tirzepatide patients lose 2% more lean mass at 12 months. Depletive metabotype hits 10.3%.

Semaglutide 7.2 mg: Early Responders Hit 27.7%
IndustryMay 16, 20266 min read

Semaglutide 7.2 mg: Early Responders Hit 27.7%

Novo's ECO 2026 sub-analysis shows early-responder patients lost nearly 28% on 7.2 mg. What it means for research-peptide dosing and vendor sourcing.

Orforglipron Pill Holds 79% of Weight Loss After Stopping Shots
IndustryMay 15, 20265 min read

Orforglipron Pill Holds 79% of Weight Loss After Stopping Shots

New ATTAIN-MAINTAIN trial: switching from injectable semaglutide or tirzepatide to daily orforglipron held 75-79% of weight loss over 52 weeks.

How Much Bac Water Per Peptide Vial: Chart + Math (2026)
IndustryMay 13, 20267 min read

How Much Bac Water Per Peptide Vial: Chart + Math

One reconstitution ratio gets the math right every time. Full chart for BPC-157, TB-500, GHK-Cu, semaglutide, tirzepatide, and retatrutide.

GLP-1s Cause Sarcopenia in Seniors: 2026 Trial Data
IndustryMay 13, 20267 min read

GLP-1s Cause Sarcopenia in Seniors: 2026 Trial Data

A 24-month semaglutide cohort in adults 65+ shows accelerated muscle loss + falling gait speed. What it means for older GLP-1 buyers.

Cloudy Peptide After Reconstitution: Safe to Inject? (2026)
IndustryMay 13, 20268 min read

Cloudy Peptide After Reconstitution: Safe to Inject?

Cloudy after mixing? Almost always the bac water — not the peptide. Whether it's safe to inject, the 7 causes ranked, and how to prevent it.

Where to Buy Bacteriostatic Water for Peptides (2026)
IndustryMay 12, 20268 min read

Where to Buy Bacteriostatic Water for Peptides

Three ways to buy bac water for peptides — vendor-sourced, pharmacy, or marketplace. Typical 30 mL runs $20-35. Which path gives you COA-verified quality without ruining a $300 vial.

MBX 4291: Monthly GLP-1 Hits 7% Weight Loss in Phase 1
TrialsMay 12, 20269 min read

MBX 4291: Monthly GLP-1 Hits 7% Weight Loss in Phase 1

MBX Biosciences' monthly GLP-1/GIP injection lost 7% at 8 weeks Phase 1 with no nausea. PK supports true monthly dosing. What buyers should know.

GLP-1s for the Brain: 53% Lower Dementia + Addiction Use
IndustryMay 11, 20265 min read

GLP-1s for the Brain: 53% Lower Dementia + Addiction Use

UCSF May 5 synthesis pulls dementia and addiction data into one frame. What semaglutide, tirzepatide, and brenipatide buyers should track.

Bac Water for GLP-1 Reconstitution: Sema, Tirz, Reta (2026)
IndustryMay 11, 20269 min read

Bac Water for GLP-1 Reconstitution: Sema, Tirz, Reta

Three GLP-1 compounds, three vial sizes, one bac water ratio that works. Why multi-month protocols make bac water non-negotiable.

Sports Medicine Names BPC-157, TB-500 Risks: What's Real
IndustryMay 10, 20267 min read

Sports Medicine Names BPC-157, TB-500 Risks: What's Real

Peer-reviewed Sports Medicine paper flags BPC-157, TB-500, GHK-Cu — 40-75% of gray-market peptides fail purity. Where to source verified.

GLP-1 Pills Hit Brain Reward Circuit: New Mechanism
IndustryMay 10, 20266 min read

GLP-1 Pills Hit Brain Reward Circuit: New Mechanism

May 6 Nature study: oral GLP-1 pills reach the central amygdala and shut down hedonic eating — a circuit injectable peptides may not touch. What it means for buyers.

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