PepSeek
Peptide Research Search Engine
About
This app is a comprehensive search engine for peptide research, offering detailed profiles on over 200 peptides and pre-built research stacks. It includes an AI assistant for instant answers and a reconstitution calculator for accurate dosing.
What's New in PepSeek
1.3
August 11, 2026
Ten new peptides, including ARA-290, Cagrilintide, AHK-Cu, and seven Khavinson bioregulators. Evidence levels are now accurate across the whole catalogue. Well-established compounds like insulin, glucagon, liraglutide and octreotide were reading Emerging when they should have read Well studied. Fixed. Pro Yearly now includes the full research database. Once your first year bills, it's yours to keep even if you cancel later.
MoreIn-App Purchases
$1.99
PepSeek Full Access
200+ peptides, 75+ stacks, PepBot AI & more
Developer apps
FAQ
What is PepSeek?
PepSeek is a comprehensive search engine designed for peptide research. It allows users to search over 200 peptides, explore curated peptide stacks, and utilize an AI assistant for research-related questions.
How much does PepSeek cost?
PepSeek is free to download and offers a preview of its home screen. Full access to peptide details, stack protocols, the AI assistant, and the reconstitution guide requires a one-time in-app purchase of $1.99.
Does PepSeek have ads?
No, PepSeek does not contain advertisements. The app is free to download and offers full functionality through a single, one-time in-app purchase.
What kind of peptides can I find on PepSeek?
PepSeek covers over 200 research peptides, including popular ones like BPC-157, Retatrutide, Semaglutide, and Epithalon. Detailed profiles include mechanisms, research status, dosing, administration, and half-life data.
What is PepBot AI Assistant?
PepBot is an AI-powered research assistant within PepSeek that provides instant, research-backed answers to questions about peptides, stacks, dosing, and combinations. It is powered by Claude AI.
Can PepSeek help with peptide reconstitution?
Yes, PepSeek includes a Draw Calculator that helps users calculate exact injection volumes based on peptide amount, bacteriostatic water, and desired dose, which is essential for accurate research reconstitution.
What devices is PepSeek available on?
PepSeek is available on iPhone, iPad, and iPod devices, making it accessible for users across the Apple ecosystem.
How often is PepSeek updated?
PepSeek was last updated on May 15, 2026, with version 1.0. Future updates will likely focus on expanding the peptide database and enhancing AI capabilities.