Everything you need for
peptide research, in one place
A research library, precision dosage calculator, peptide vendor reviews, and discount codes for verified vendors.
54
Peptide profiles
17
Comparisons
24
Verified discount codes
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Independent research
Prof. Peptide provides peptide research for educational purposes only. Nothing on this site constitutes medical advice or endorses human use of research peptides.
Latest News
View all news →June 16, 2026
ENDO 2026 Recap — GLP-1 and Peptide Readouts from the Endocrine Society Meeting
Recap of ENDO 2026 (Chicago, June 13–16): a GLP-1 physical-activity decline and the muscle-preservation angle, reassuring male-fertility data, a CagriSema meta-analysis (SUN-726), real-world adherence patterns, and Entera Bio’s preclinical oral peptides EB618 and EB612. Each finding is labeled by evidence stage with primary-source links.
Read more →Everything a researcher needs
From peptide mechanisms to reconstitution math — Prof. Peptide covers it all, clearly and credibly.
Peptide Library
Comprehensive profiles on 54 research peptides — mechanisms, half-lives, stacking protocols, and more.
Browse library →Bioregulator Guide
A research guide to the Khavinson short-peptide bioregulators — the gene-regulation hypothesis, synthetic analogs vs. organ extracts, and the individual compounds.
Read the guide →Supplement Library
Evidence-based profiles for the most popular supplements — organized by category with research and buying guides.
Browse supplements →Comparisons
Side-by-side breakdowns of popular peptides and supplements — mechanisms, evidence, dosing, and how to choose between them.
Compare compounds →News
The latest peptide research news, regulatory updates, and developments.
View news →Dosage Calculator
Accurately reconstitute and dose any peptide with our step-by-step research calculator.
Open calculator →Protocol Tracking
Log your doses and reconstituted vials on the site — with full protocol tracking in the Prof. Peptide iOS app.
Open tracker →Coupon Codes
Verified discount codes for research-grade suppliers. Updated regularly.
See codes →Featured Vendors
Our vetted alphabetical list of research peptide suppliers — with third-party testing, published COAs, and the quality criteria we use to include them.
See vetted vendors →Get the App
The all-in-one peptide tracker for iPhone — log doses, see estimated levels, run protocols, and search 60+ peptides by name or brand.
Download →FAQ
Straight answers to the most common questions about peptide research.
View FAQ →Built for researchers
Most peptide sites exist to sell products. Prof. Peptide exists to educate. We're independent, ad-light, and committed to presenting research accurately — including limitations and unknowns.
- ✓Content is editorially independent and research-driven
- ✓Every peptide profile cites primary research literature
- ✓Calculator math is transparent and peer-reviewable
- ✓Discount codes are manually verified before publishing
Now on iOS
The all-in-one peptide tracker
Log doses, see estimated levels, calculate reconstitution, and search 60+ peptides by name or brand — all in one private iOS app.
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