What is Peptide Library?

It is an independent platform for researching peptides, comparing vendors and pricing, calculating concentrations and tracking research.

Does Peptide Library sell peptides?

No. It does not sell peptides or medical products; it aggregates vendor pricing and provides research and tracking tools.

Do I need an account to use it?

No account is needed to browse peptides and vendors. An account is required for tracking doses and research metrics.

Is Peptide Library medical advice?

No. It is a research and tracking tool and does not diagnose, treat or recommend anything.

How is price per milligram calculated?

Total price is divided by total milligrams. This normalizes comparisons across vial sizes, blends and vendors.

Is there a mobile app?

Yes. Peptide Library is available on iOS and Android, as well as the web.

Does tracker data sync across devices?

Cloud sync and automatic backup are available for Pro members who are signed in.

Can tracker data be exported?

Yes. Pro members can export tracker data in CSV format for personal record-keeping and analysis.

Peptide Library

Free peptide research library: evidence-tiered profiles, public API, MCP server.

Developer Tools Health & Wellness Education

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Launched: Nov 1, 2026
Website: peptidelibrary.app
Pricing: Freemium
Platforms: Web, API

Peptide Library is an independent, educational research reference for peptides — evidence-tiered profiles with cited sources, a live peptide price index, free REST API (OpenAPI), and hosted MCP server (https://peptidelibrary.app/mcp). Research and education only; not medical advice; no dosing guidance. Built by Superfime LLC. Freemium.

What Peptide Library does

Searchable peptide library: Search peptide profiles by name, alias, molecular data or reference, with research information and cited references.
Vendor comparison: Compare vendor offers by price, price per milligram, ratings and availability.
Concentration calculator: Calculate concentration, drawn volume, syringe units and vial dose count from vial and diluent details.
Research tracker: Manage schedules, logs, reminders, inventory, journal notes and metrics on one timeline.
Research courses and Q&A: Pro includes step-by-step courses, deep dives and Community Q&A.
Developer API and MCP: Use the versioned REST API, SDKs and MCP server to connect peptide research data to applications and AI assistants.

Who it's for

Researchers and people organizing peptide research who want reference information, vendor comparisons, calculators and tracking in one platform.

Why people use Peptide Library

Peptide research, vendor prices, calculations and ongoing logs can be scattered across separate tools and spreadsheets.

It brings searchable peptide profiles, price-per-milligram comparisons, concentration calculators and research tracking into one web and mobile platform.

The platform combines a cited peptide research library, vendor comparison normalized by price per milligram, calculators and longitudinal tracking.

Pricing

Peptide Library is free to start, with paid plans from $39.99/year.

Free

Core library, comparison, calculators and everyday tracking.

Peptide library and research profiles
Vendor prices and vendor directory
Logging, schedules and reminders
Research journal and body metrics
Cycle and cost calculators
Inventory for 1 peptide

Pro Monthly

$4.99/ month

Pro features with monthly renewal.

Unlimited inventory
Sync across iPhone, Android and web
Advanced metrics
Full Peptide Trends
Courses and Community Q&A
Data export

Pro Yearly

$39.99/ year

Pro features with yearly renewal.

Unlimited inventory
Sync across iPhone, Android and web
Advanced metrics
Full Peptide Trends
Courses and Community Q&A
Data export

Platforms

Peptide Library runs on Web, API.

Peptide Library FAQ

What is Peptide Library?: It is an independent platform for researching peptides, comparing vendors and pricing, calculating concentrations and tracking research.
Does Peptide Library sell peptides?: No. It does not sell peptides or medical products; it aggregates vendor pricing and provides research and tracking tools.
Do I need an account to use it?: No account is needed to browse peptides and vendors. An account is required for tracking doses and research metrics.
Is Peptide Library medical advice?: No. It is a research and tracking tool and does not diagnose, treat or recommend anything.
How is price per milligram calculated?: Total price is divided by total milligrams. This normalizes comparisons across vial sizes, blends and vendors.
Is there a mobile app?: Yes. Peptide Library is available on iOS and Android, as well as the web.
Does tracker data sync across devices?: Cloud sync and automatic backup are available for Pro members who are signed in.
Can tracker data be exported?: Yes. Pro members can export tracker data in CSV format for personal record-keeping and analysis.