Peptide Research Explained. No Hype. No Shortcuts.
Evidence-based research overviews for researchers, clinicians, and anyone who wants to know what the science actually shows.
Browse By Condition Or Goal
Not sure which compound to look at first? Start with what you’re trying to understand.
Gut Health
Compounds studied for intestinal permeability, motility, and inflammation.
Hair Loss
Compounds with data on follicle regeneration and scalp tissue repair.
Inflammation & Autoimmune
Compounds examined for immune modulation and anti-inflammatory pathways.
Joint Pain & Bone Health
Compounds with research in cartilage repair, bone density, and joint function.
Muscle Recovery
Compounds studied for repair of muscle tissue after injury or exertion.
Tendon & Ligament Healing
Compounds with connective tissue research, including tendon and ligament repair.
Weight Loss
Compounds with data on metabolic regulation, satiety, and fat reduction.
Wound Healing
Compounds studied for tissue regeneration and wound closure mechanisms.
Sexual Health & Low Libido
Compounds studied for libido, sexual function, and related hormonal mechanisms.
Every Compound Gets A Verdict
Every article now opens with a BLUF—Bottom Line Up Front. A plain-English editorial verdict you can read in five seconds, color-coded by confidence level, before you commit to the full article.
Four verdict categories. Stoplight colors. No hedging.
Start With The Evidence
Each article follows the same rigorous structure: mechanism, research areas, a Claims vs. Evidence table, an honest assessment of where the human data ends, and the safety picture as it actually stands.
BPC-157: Mechanisms, Research, and the Human Evidence Gap
Three small human pilot studies, a substantial body of animal research, and a self-experimentation community that has moved well ahead of the clinical literature.
Semaglutide: GLP-1 Receptor Agonism and the Weight Loss Evidence
FDA-approved for both diabetes and weight management. The strongest clinical evidence base of any compound in the Peptidings library.
TB-500: The Thymosin Beta-4 Fragment and Why the Distinction Matters
The parent molecule has Phase II/III data. TB-500 itself—the 7-amino-acid fragment most commonly discussed—has zero published human trials.
GHK-Cu: Copper Peptide Science and the Topical-vs.-Injectable Split
Decades of topical cosmetic data. Far less evidence for injectable use. The copper peptide applied to skin and the one injected subcutaneously are not the same risk-benefit proposition.
Tirzepatide: Dual GIP/GLP-1 Agonism and the Weight Loss Data
FDA-approved dual-agonist with the largest weight loss effect documented in controlled trials. Superior to semaglutide in head-to-head data.
KPV: The Alpha-MSH Fragment and the IBD Research Gap
Three amino acids. Interesting anti-inflammatory mechanism. But the IBD preclinical data uses nanoparticle formulations not commercially available, and no human trial exists.
Stack Straight Talk
Community stacks evaluated against the pharmacology. What works, what’s redundant, and what creates cross-purposes.
The Research Digest
Weekly peptide science without the noise. New studies, honest methodology breakdowns, and what the literature still doesn’t answer.
Subscribe FreeSubscribe free at peptidings.substack.com
How We Evaluate Evidence
Not all peptide research is created equal. Every compound on Peptidings is assigned an evidence tier based on the strongest available data—from FDA approval down to animal-only studies. That tier appears at the top of every article and drives every editorial judgment we make.
Explore the Full Evidence Framework →Not Just The Science
The pillar articles cover the research. The guides cover everything that comes before and after it.
How to Reconstitute Lyophilized Peptides
Every step of the reconstitution process, with the exact distinctions between reconstitution syringes and dosing syringes.
Peptide Storage and Handling Best Practices
Temperature requirements, freeze-thaw considerations, and the differences in shelf life between lyophilized and reconstituted peptides.
Peptide Purity and Testing
How to evaluate a certificate of analysis, what HPLC and mass spectrometry results actually tell you, and why purity claims deserve scrutiny.
Subcutaneous Injection Technique
Needle selection, injection site rotation, sterile technique—the practical mechanics that most peptide content skips entirely.
Which Biomarkers to Test
What to measure before, during, and after peptide use—and what each result actually tells you about what’s happening.
How to Read a Research Study
Study design, endpoints, statistical significance vs. clinical significance—the tools to evaluate peptide research on your own.