Everything you need for
peptide research, in one place
Prof. Peptide is an independent research library covering 62 peptide profiles, 41 vendor reviews, price comparisons across all vendors, and verified discount codes.
Plus a precision dosage calculator and an all-in-one protocol tracker app.
62
Peptide profiles
65
Compounds compared
41
Verified discount codes
100%
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 62 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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