Peptide science, measured against the evidence.
Molecular data, research history and human evidence for 106 peptides and related compounds, sourced from PubChem, ClinicalTrials.gov and FDA records.
Find your way into the science.
One reference. Three useful ways to begin.
Browse by research area
What each peptide is studied for, with the evidence graded on every profile.
Research profiles
Every profile shows composition, mass and how far human evidence has progressed.
BPC-157
Semaglutide
Tirzepatide
MOTS-c
GHK-Cu
Epitalon
TB-500
Semax
Latest from the research desk
Peptides at the center. Medical context when it matters.
27 published reports. Original source dates and evidence limits stay visible.
Explore all News →Oral peptide icotrokinra reports Phase 3 results in psoriatic arthritis
Phase 3 results reported by sponsor; investigational for psoriatic arthritis
Cancer · PeptidePersonalized peptide vaccine reports new immune findings in melanoma
Phase 2 biomarker update; sponsor-reported conference findings
Infection · PeptideZaloganan trial expands beyond the US
Phase 2/3 trial milestone
Tools for every level
Compare compounds, track regulation and bring VALREXA into your classroom.
Compare peptides
Any two compounds side by side: evidence, status, structure and safety.
NewRegulatory tracker
The FDA status of all 106 compounds, with a dated change log.
NewFor educators
Free materials, self-service study packs and optional customization requests.
NewRead at your level
Every peptide profile in three versions: Beginner, Student and Expert.
How we grade evidence
Lab and animal results are not proof of benefit in people. Each profile is placed on one of four levels, and we link the studies behind it.
VALREXA Originals
Under-a-minute explainers, made by VALREXA.
Meet the founders
A husband-and-wife team in Florida: an independent researcher and a healthcare professional with more than 27 years in rheumatology.
Elier Hernandez Gener
A dedicated independent researcher who studies amino acid and peptide science every day. Elier built VALREXA to be the resource he wished he’d had: clear, fully cited and honest about what the evidence does and doesn’t show.
Miriela Fernandez
A Certified Medical Assistant and Home Health Aide with more than 27 years in rheumatology, including IV infusion therapy. Miriela makes sure every page is clear, accurate and written with real people in mind.
New to peptide science?
These are the best places to begin.
Study tools
Peptide calculator, flashcards, a quiz and a printable chart. Free for everyone.
For studentsThe 20 amino acids
Codes, classes, formulas and roles for every standard amino acid.
Reference guideWhat are peptides?
How amino acids form peptides, what they do, and why most aren't medicines.
4-minute readThe reading list
Textbooks and books we recommend for understanding biochemistry, longevity and evidence.
18 booksOur independence
We don't sell peptides or medical products. See exactly how VALREXA is funded.
DisclosuresVALREXA Pro
- Study-by-study evidence tables
- Planned expanded research features
- Downloadable PDF research summaries
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