Articles & Guides
Educational content covering peptide research, reconstitution guides, safety considerations, and more.
Why 2026 Is the Year Peptides Went Mainstream
Google searches for peptides surged 30%+ in late 2025. TIME Magazine ran a cover feature. Northwestern University held a Grand Rounds on peptide therapy. A look at what drove the shift and where the attention has landed.
Semaglutide vs Tirzepatide vs Retatrutide: GLP-1, GLP-2, GLP-3 Compared
A head-to-head comparison of all three generations of GLP-based weight-loss peptides — mechanism, Phase 3 efficacy data, side effect profiles, and what the differences mean for research.
Retatrutide Phase 3 TRIUMPH-1 Results: 28.3% Weight Loss at 80 Weeks
Eli Lilly's May 2026 TRIUMPH-1 trial results place retatrutide ahead of every approved obesity drug in average weight reduction, with up to 30% body weight lost at the highest dose.
Semax vs Selank: The Cognitive Peptide Comparison
Both are Russian-developed nootropic peptides with clinical data behind them — but they work through entirely different mechanisms. A complete research comparison of Semax and Selank.
GHK-Cu: The Copper Peptide That Influences Over 4,000 Human Genes
GHK-Cu (copper peptide) modulates 31.2% of the human genome and has over four decades of clinical evidence. A detailed look at the gene expression data, skin research, and wound healing mechanisms.
The BPC-157 + TB-500 Stack: What Research Says About Combining Them
Called the 'Wolverine Stack' by the biohacker community, the BPC-157 + TB-500 combination has been one of the most discussed peptide pairings since 2023. The evidence for stacking them comes almost entirely from separate animal studies.
Injectable NAD+: What the 500mg Buffered Vial Research Actually Shows
NAD+ levels decline approximately 50% between ages 40 and 60. Injectable buffered NAD+ is one of the most discussed longevity interventions — here's what the evidence actually supports, and what it doesn't.
BPC-157 Human Trial Status: What the Evidence Actually Shows in 2026
By mid-2026, fewer than 30 people have been studied in published BPC-157 human research across three pilot studies. This is an accounting of the preclinical work and the small human trials behind it.
FDA Peptide Regulatory Update 2026: What Category 1 and Category 2 Mean
In February 2026, HHS announced that ~14 of 19 Category 2 peptides — including Semax, Selank, and potentially BPC-157 — would be moved to Category 1, reopening the compounding pharmacy pathway.
Bacteriostatic Water vs Sterile Water for Peptide Reconstitution: What's the Difference?
Using the wrong diluent is the most common reconstitution mistake. Here's exactly why bacteriostatic water is required for multi-dose research, what benzyl alcohol actually does, and when sterile water is appropriate.
Subcutaneous vs Intramuscular vs Intranasal: Which Peptide Delivery Route Is Best?
Route of administration determines bioavailability, onset speed, duration, and practical tolerability for every peptide on this site. A complete guide to understanding and choosing the right delivery method.
Peptide Cycling: On/Off Protocols for the Most Common Research Stacks
Should you cycle peptides? Which ones require breaks and which can be used continuously? A research-based guide to on/off protocols across every major peptide category.
How to Read a Peptide Certificate of Analysis (COA)
Independent testing finds purity discrepancies in roughly 15–20% of grey-market peptide COAs. Here's exactly what to look for, what the numbers mean, and how to spot a document that doesn't pass scrutiny.
Tesamorelin vs Ipamorelin vs CJC-1295: Choosing a GH Secretagogue Protocol
Three different growth hormone secretagogues, three different mechanisms, three different use cases. A complete comparison of the most studied GH-optimizing peptides and how to select and stack them.
PT-141 vs Melanotan II: Same Family, Very Different Research Profiles
PT-141 is FDA-approved. Melanotan II is not — and the differences between them explain why. A complete mechanistic comparison of two melanocortin peptides with overlapping origins but diverging research trajectories.
Complete Peptide Reconstitution Guide
Learn how to properly reconstitute lyophilized peptides with bacteriostatic water.
Managing GLP-1 Side Effects: Nausea, Constipation, and GI Discomfort
Nausea affects ~33–44% of GLP-1 users and is the primary reason people discontinue. The trial data explains why GI side effects happen and which titration approaches reduce them.
BPC-157: Research Overview
An in-depth look at the scientific research behind BPC-157 and its mechanisms.
Epithalon and Telomerase: The Science Behind the Longevity Claims
Epithalon is the most studied peptide for telomerase activation, with research spanning 40 years and a unique mechanistic rationale. The evidence is strongest in cell and animal work, thinner in the human trials.
Proper Peptide Storage
Maximize peptide stability with proper storage techniques and temperature control.
TB-500: Understanding Thymosin Beta-4
Explore the science behind TB-500 and its role in tissue repair research.
Peptide Safety Considerations
Important safety information and best practices for peptide research.
Choosing the Right Syringe for Peptides
A comprehensive guide to syringe types, gauges, and proper usage.
MOTS-c: The Mitochondrial Peptide That Mimics Exercise
MOTS-c is encoded within the mitochondrial genome itself — making it one of the few peptides with purely mitochondrial origin. A review of the exercise, insulin-sensitivity and lifespan research behind it.
Dihexa: The Synaptic Growth Factor Peptide That's 10 Million Times More Potent Than BDNF
Dihexa's claimed potency figure is real — but needs precise context to understand. An explanation of the HGF/c-Met mechanism, what the 10-million-times figure was measured against, and the limits of the data.
CagriSema: The Cagrilintide + Semaglutide Combination Protocol
CagriSema combines an amylin analog with a GLP-1 agonist in a single weekly injection. Phase 3 REDEFINE trial data shows ~22–25% weight loss — exceeding either agent alone. Here's how the dual mechanism works.