Articles

Research-backed articles on GLP-1 medications, peptides, dosing, stacking, and vendor selection.

Our articles are written for people researching peptides and GLP-1 medications — no hype, no dosing advice, just evidence. Each guide explains what the current research actually says, how to read lab results like COAs and HPLC reports, and what realistic results look like in practice.

New articles are added regularly. If you are comparing vendors, start with our testing and purity guides; if you are new to GLP-1s, the semaglutide and tirzepatide explainers cover the basics.

Latest Articles

FDA Runs Coordinated Enforcement Sweep Targeting Peptide Sellers
News 2026-09-13

FDA has run a coordinated enforcement sweep against peptide sellers marketing unapproved products, amid a wider Washingt...

Verification Tools Proliferate as Peptide Buyers Demand Proof Behind Claims
News 2026-09-13

A free evidence checker for peptide claims has launched as verification tools multiply across the research peptide marke...

Market Intelligence Index Tracks 100+ Peptide Vendors and 112,000 Public COA Records
News 2026-09-13

A new market intelligence index catalogs 100+ peptide vendors, 3,200+ listings and 112,000+ public COA records. How rese...

Oral GLP-1 Prescriptions Keep Climbing as Tablets Find Their Place in Weight-Loss Care
News 2026-09-12

Oral GLP-1 prescriptions keep climbing as the Wegovy pill and Lilly's oral tablet ramp up. What the tablet shift means f...

GLP-1 Weight-Loss Market Under Fire as Big Promises Meet Regulatory Reality
News 2026-09-12

Aggressive marketing, compounded copies, and purity concerns have put the GLP-1 weight-loss market under fire. Here is w...

The MOTS-c Recovery Gap: What Slower Recovery Means for Training After 40
MOTS-c 2026-09-12

Aging widens the gap between training load and recovery capacity. MOTS-c's exercise-mimetic signaling sits at that gap —...

MOTS-c and Organ Transplant Recovery: What Early Soft Tissue Research Shows
MOTS-c 2026-09-12

The most medical frontier of MOTS-c research — organ preservation, ischemia-reperfusion protection, and why transplant s...

FDA Approves Eli Lilly's Oral GLP-1 Weight-Loss Pill
News 2026-09-12

FDA approves Eli Lilly's oral GLP-1 weight-loss pill, a needle-free option that reshapes obesity care, telehealth supply...

Semaglutide Shortage Is Over, Closing the Window for Compounded Copies
News 2026-09-12

Semaglutide supply has recovered, ending the shortage that fueled compounded copies. The enforcement window is closing o...

Retatrutide Remains Investigational in 2026 as Phase 3 TRIUMPH Readouts Approach
News 2026-09-12

Retatrutide still has no FDA approval in 2026. What the Phase 3 TRIUMPH timeline means for researchers and why gray-mark...

Independent Peptide Testing Capacity Expands as Purity Concerns Mount
News 2026-09-12

Third-party analytical testing for research peptides is scaling up as purity and mislabeling complaints grow. What stron...

GLP-1 Prescriptions Surge in Young Children as Pediatric Obesity Trials Report Results
News 2026-09-11

New data show GLP-1 prescriptions rising in children under 12 as semaglutide trial results reshape pediatric obesity car...

Wegovy Wins Chinese Approval as First GLP-1 Therapy for MASH Liver Disease
News 2026-09-11

China has approved semaglutide (Wegovy) as the first GLP-1 treatment for MASH liver disease, opening a new regulatory an...

GLP-1 Vision-Loss Lawsuits Pile Up Against Eli Lilly Over Zepbound and Trulicity
News 2026-09-11

Lawsuits linking Zepbound and Trulicity to NAION vision loss are mounting against Eli Lilly, raising fresh safety questi...

Moonwalk Raises $70M to Push Fat-Targeting RNAi Obesity Candidate Toward the Clinic
News 2026-09-11

Moonwalk has raised $70M to move a fat-targeting RNAi obesity candidate into clinical development, adding a new mechanis...

Novo Nordisk's IL-6 Drug Flunks Two More Cardiovascular Trials
News 2026-09-11

Novo Nordisk's IL-6 inhibitor failed two more cardiovascular outcome trials, a setback for inflammation-driven heart dis...

MHRA Freezes Bank Accounts in Illegal Weight-Loss Jab Probe
News 2026-09-11

UK regulators froze over £200,000 in bank accounts and seized thousands of illicit GLP-1 doses in Operation Dunlin — wha...

Compounded Semaglutide and Tirzepatide Top 1,700 Federal Problem Reports
News 2026-09-11

Compounded semaglutide and tirzepatide have drawn more than 1,700 federal adverse event reports. We break down the FDA d...

Pretoria Court Blocks Appeal in Semaglutide Compounding Fight
News 2026-09-11

South Africa's High Court refused a compounding pharmacy's appeal in the semaglutide fight with Novo Nordisk, keeping th...

Researchers: Evidence for Most Peptides 'Is Just Not There'
News 2026-09-11

Medicine-safety monitors highlight researchers' blunt warning that clinical evidence for most consumer peptides is missi...

Doctors Warn of Growing Peptide Safety Concerns as Use Surges
News 2026-09-11

Clinicians are raising safety concerns as peptide self-medication goes mainstream. Verification standards protect resear...

MOTS-c and Plasma Membrane Repair: 2026 Research on Cellular Housekeeping
MOTS-c 2026-09-11

The newest MOTS-c research thread — plasma membrane repair, wound-response signaling, and why cell-boundary integrity be...

MOTS-c for Prediabetes: Trial Results, Insulin Sensitivity Data, and Research Protocols
MOTS-c 2026-09-11

The strongest human data for MOTS-c is metabolic — what prediabetes research shows, the insulin sensitivity trial result...

MOTS-c Mitochondrial Metabolism: From Discovery to First Human Trials
MOTS-c 2026-09-10

The research journey of MOTS-c — 2013 discovery, mechanism characterization, metabolic trial results, and the open quest...

MOTS-c and NAD+ Stacking: A Mitochondrial Longevity Research Framework
MOTS-c 2026-09-10

Why MOTS-c and NAD+ are the most-researched pairing in the mitochondrial longevity stack — complementary mechanisms, pro...

Cycling MOTS-c: Long-Term Usage Protocols, Washout Windows, and What Sustainability Looks Like
MOTS-c 2026-09-09

How to structure long-term MOTS-c research — cycling conventions, washout rationale, lab-based checkpoints, and designin...

MOTS-c Metabolic Signaling: The Repair vs Energy Tradeoff in Mitochondrial Signaling
MOTS-c 2026-09-09

How MOTS-c biases cellular metabolism between repair and conservation — AMPK tone, stress-response gene regulation, and ...

FDA Screens GLP-1 Ingredients at the Border and Warns of Vials Labeled with Pharmacies That Do Not Exist
News 2026-09-08

FDA is screening GLP-1 ingredients (semaglutide, tirzepatide) at U.S. borders and warns of vials labeled with pharmacies...

MOTS-c and Mesenchymal Stem Cells: What the Research Says About Regenerative Signaling
MOTS-c 2026-09-08

The MOTS-c / MSC research thread — AMPK signaling, stem cell senescence, tissue repair axes, and where evidence ends and...

MOTS-c and Lung Inflammation: Mitochondrial Therapy Research for Pulmonary Conditions
MOTS-c 2026-09-08

The MOTS-c / pulmonary inflammation research thread — ARDS models, AMPK anti-inflammatory signaling, COPD/asthma adjacen...

MOTS-c and Atrial Fibrillation: The Mitochondrial Peptide's Unexpected Cardiac Research Frontier
MOTS-c 2026-09-07

Why atrial fibrillation researchers are watching MOTS-c — mitochondrial dysfunction in AF, AMPK energetics, and what cur...

MOTS-c Dosing: Daily vs Weekly Protocol Comparison and What the Literature Suggests
MOTS-c 2026-09-07

Daily versus weekly MOTS-c dosing — pharmacokinetic reasoning, protocol conventions, cycling windows, and a practical de...

MOTS-c After GLP-1 Therapy: Using a Mitochondrial Peptide for Maintenance-Phase Metabolism
MOTS-c 2026-09-06

Why maintenance after GLP-1 weight loss is metabolically vulnerable, and how MOTS-c's AMPK mechanism fits the post-GLP-1...

MOTS-c and Arterial Stiffness: What the 2026 Pilot Study Means for Vascular Aging Research
MOTS-c 2026-09-06

2026 pilot research on MOTS-c and arterial stiffness — pulse wave velocity findings, mechanism through ETAR, and what it...

Waist Circumference on Retatrutide: Tracking Visceral Fat Loss and Why the Tape Matters More Than the Scale
Retatrutide 2026-09-05

Why waist circumference is the single most informative retatrutide progress metric — visceral fat loss, cardiometabolic ...

Starting MOTS-c: What the First Two Weeks of a Mitochondrial Peptide Protocol Feel Like
MOTS-c 2026-09-05

A realistic walkthrough of the first 14 days on MOTS-c — injection-site response, the subtle metabolic shift, timeline o...

Retatrutide Visceral Fat: What DEXA and Imaging Sub-Studies Show About Where the Weight Comes From
Retatrutide 2026-09-04

Retatrutide attacks visceral fat preferentially — imaging sub-studies, liver fat reduction, and why fat location predict...

Retatrutide vs Tirzepatide: Head-to-Head Efficacy, Safety, and Dosing Comparison (2026)
Retatrutide 2026-09-04

Direct comparison of retatrutide vs tirzepatide — weight loss data, side effect profiles, dosing ladders, cost, and who ...

Combining Retatrutide and Tesamorelin: A Visceral Fat and Muscle Research Stack Guide
Retatrutide 2026-09-03

Retatrutide drives total weight loss; tesamorelin targets visceral fat and supports the GH axis. The logic, risks, and r...

Retatrutide Training Energy: Maintaining Strength and Performance on a Triple Agonist
Retatrutide 2026-09-03

Practical, evidence-based strategies for preserving training energy, strength, and lean mass on retatrutide — from prote...

Retatrutide TRIUMPH-4 Results: 28.7% Weight Loss Across a Diverse Trial Population
Retatrutide 2026-09-02

TRIUMPH-4 delivered 28.7% mean weight loss — 71.2 lbs over 68 weeks at 12 mg — with consistent efficacy across demograph...

Retatrutide vs Bariatric Surgery: Comparing 28.7% Weight Loss to Metabolic Surgery Outcomes
Retatrutide 2026-09-02

Retatrutide's 28.7% average weight loss approaches bariatric surgery territory — honest comparison of efficacy, safety, ...

Retatrutide and Chronic Kidney Disease: Meta-Analysis Results
Retatrutide 2026-09-01

Retatrutide shows promise for patients with obesity and chronic kidney disease, according to recent meta-analysis data....

Retatrutide TRIUMPH-1 Results: Phase 3 Primary Outcome Data
Retatrutide 2026-09-01

The TRIUMPH-1 trial establishes retatrutide's efficacy for chronic weight management in adults with obesity....

Retatrutide Muscle Preservation: The Science of Sparing Lean Mass
Retatrutide 2026-09-01

Retatrutide may preserve muscle better than other GLP-1s due to its glucagon receptor activity — here's the science....

Retatrutide Not Working? Troubleshooting Weight Loss Stalls
Retatrutide 2026-09-01

A practical troubleshooting guide for when retatrutide weight loss stalls or doesn't seem to work....

Retatrutide and Heat Sensitivity: Managing Temperature Side Effects
Retatrutide 2026-08-31

Some retatrutide users report heat sensitivity and temperature regulation issues — here's what the data shows....

Retatrutide Phase 3 Data Readout: Full Breakdown of July 2026 Results
Retatrutide 2026-08-31

The July 2026 Phase 3 data readout for retatrutide provides the most comprehensive efficacy picture yet....

Retatrutide FDA Approval Timeline: What to Watch in 2026-2027
Retatrutide 2026-08-29

Tracking the retatrutide FDA approval process — key milestones, expected dates, and what could delay approval....

Starting Retatrutide: First Dose Guide and What to Expect
Retatrutide 2026-08-29

A practical first-dose guide for retatrutide — titration schedule, side effect management, and timeline expectations....

Tracking Body Composition Changes on Retatrutide: What to Measure
Retatrutide 2026-08-28

A practical guide to tracking body composition on retatrutide therapy — what metrics matter and how often to measure....

Retatrutide Compounding Quality: What to Look For in 2026
Retatrutide 2026-08-28

As retatrutide enters compounding pharmacies, quality control standards become critical for user safety....

Retatrutide 2026 Clinical Trials: Back Pain, Liver Health, and Cardiac Outcomes
Retatrutide 2026-08-28

Retatrutide's 2026 trial data shows benefits beyond weight loss, including back pain reduction and liver health improvem...

Retatrutide Phase 3 Results: How 31% Weight Loss Compares to Other GLP-1s
Retatrutide 2026-08-28

The TRIUMPH-4 trial confirms retatrutide achieves up to 31% weight loss, setting a new benchmark in GLP-1 therapy....

TB 500 BPC 157 Benefits: Peptide Research Insights
Tissue Repair 2026-08-25

Discover the benefits of TB 500 and BPC 157, peptide compounds discussed for recovery and repair. Learn about TB 500 dos...

Affordable Peptide Purity Testing Costs Explained
Testing 2026-08-22

Discover how peptide purity testing cost varies based on method, scope, and location. Learn to compare options for relia...

Peptides Before and After: Realistic Results & Benefits
Skin / Anti-aging 2026-08-21

Discover what realistic peptides before and after results entail, from skin texture improvement to hydration and radianc...

Is Semaglutide the Same as Ozempic or Wegovy?
Weight Loss 2026-08-21

Discover if semaglutide is the same as Ozempic or Wegovy. Learn about their uses, benefits, and differences for type 2 d...

Liraglutide Weight Loss Cost: A Complete Guide
Weight Loss 2026-08-21

Explore the comprehensive guide on liraglutide weight loss price, including cost factors, insurance impact, and saving s...

Tirzepatide vs Semaglutide: Why Tirzepatide May Be Better
Weight Loss 2026-08-21

Discover why tirzepatide may be better than semaglutide for some in weight loss and diabetes control. Explore tirzepatid...

Taking Peptides: Benefits, Dosage, and Safe Use
Guides 2026-08-21

Explore the benefits and considerations of taking peptides, a growing health trend offering potential advantages in meta...

Testing Peptides: Ensuring Quality & Purity
Guides 2026-08-21

Explore the essential role of testing peptides in research, ensuring quality through identity and purity assessments. Le...

Healing with Peptides: Benefits & Therapy Insights
Tissue Repair 2026-08-21

Discover how peptides for healing enhance tissue repair, recovery, and wellness. Learn about peptide therapy, tendon rec...

Tesamorelin and Ipamorelin: The Growth Hormone Stack GLP-1 Users Love
Growth Hormone 2026-08-20

Tesamorelin and Ipamorelin: The Growth Hormone Stack GLP-1 Users Love. What tesamorelin does (GHRH analog, FDA-approved ...

Cagrilintide: The Amylin Analog Being Stacked with GLP-1s
Weight Loss 2026-08-20

Cagrilintide: The Amylin Analog Being Stacked with GLP-1s. What cagrilintide is (amylin analog). How it complements GLP-...

GHK-Cu: The Copper Peptide for Skin, Hair, and Healing
Skin / Anti-aging 2026-08-19

GHK-Cu: The Copper Peptide for Skin, Hair, and Healing. What GHK-Cu does at cellular level. Skin collagen and elasticity...

Switching from Semaglutide to Retatrutide: Complete Guide
Weight Loss 2026-08-19

Switching from Semaglutide to Retatrutide: Complete Guide. Why users switch (better efficacy, fewer side effects). Dosin...

GLP-1 Cost Comparison: How to Get the Best Price Per Milligram
Vendors 2026-08-19

GLP-1 Cost Comparison: How to Get the Best Price Per Milligram. Price per mg across vendors (forum data: <$1/mg is good,...

GLP-1 Side Effects: What Real Users Actually Experience
Weight Loss 2026-08-18

GLP-1 Side Effects: What Real Users Actually Experience. Nausea, diarrhea, constipation timeline. When side effects peak...

Peptide Stacking 101: What GLP-1 Users Are Combining
Guides 2026-08-18

Peptide Stacking 101: What GLP-1 Users Are Combining. Most popular stacks from forum data. Tirz + Semaglutide (cagrisema...

When GLP-1 Weight Loss Stalls: Breaking Through Plateaus
Weight Loss 2026-08-18

When GLP-1 Weight Loss Stalls: Breaking Through Plateaus. What counts as a stall (forum consensus: 3+ weeks no loss). Wh...

BPC-157 and TB-500: The Ultimate Tissue Repair Stack
Tissue Repair 2026-08-18

BPC-157 and TB-500: The Ultimate Tissue Repair Stack. What BPC-157 does. What TB-500 does. Why stacking them works syner...

Tirzepatide vs Semaglutide: Which GLP-1 Actually Works Better?
Weight Loss 2026-08-17

Tirzepatide vs Semaglutide: Which GLP-1 Actually Works Better?. Dual GIP/GLP-1 vs single GLP-1. Head-to-head weight loss...

How to Read a Peptide COA: Complete Guide for GLP-1 Buyers
Guides 2026-08-17

How to Read a Peptide COA: Complete Guide for GLP-1 Buyers. What a COA looks like. HPLC vs LC-MS explained. How to inter...

Retatrutide: The Triple Agonist Everyone Is Talking About
Weight Loss 2026-08-17

Retatrutide: The Triple Agonist Everyone Is Talking About. What makes retatrutide different (triple receptor). Clinical ...