Peptide Research Tools
A curated collection of free peptide calculators, trackers, and planning utilities built for biohackers, researchers, and peptide enthusiasts. Everything runs locally or in your browser — no accounts, no data collection.
Peptide Protocol Tracker
Track peptide protocols, doses, injection sites, cycles and reminders.
Reconstitution Calculator
Calculate peptide concentration and insulin syringe units.
Cycle Planner
Plan research peptide cycles and schedules.
Half-Life Calculator
Estimate compound activity and injection timing.
New calculators and planning tools are added regularly. Check back for updates.
Why use peptide research tools?
Peptide research requires precision. Small errors in reconstitution, dosing, or timing can compromise an entire protocol. Our calculators and trackers eliminate guesswork by automating the math and organizing your data in one clean interface.
Whether you're calculating IU draws from a reconstituted vial, tracking injection site rotation, or planning a multi-week cycle, these tools are designed to reduce cognitive load and keep your research reproducible.
Local-first by design
Your research data belongs to you. The Peptide Protocol Tracker stores everything in your browser's localStorage. There are no servers, no accounts, and no tracking. Export your data as JSON anytime for backup or migration to another device.
Built for mobile
Every tool is engineered mobile-first. Log injections on the go, check your cycle progress from the gym, or run dosage calculations at the lab bench — all from your phone.
Frequently asked questions
What peptide tools does gFITpeps.lt offer?
We provide a suite of free peptide research utilities including a protocol tracker, dosage calculator, reconstitution calculator, cycle planner, and half-life estimator. All tools are mobile-friendly and require no account.
Are these peptide calculators free to use?
Yes. Every tool on this page is completely free. The Peptide Protocol Tracker stores data locally in your browser for privacy. No signup or subscription is required.
What is a peptide reconstitution calculator?
A reconstitution calculator determines how much bacteriostatic water to add to a lyophilized peptide vial to achieve a desired concentration, and converts microgram doses into insulin syringe units (IU).
How does the protocol tracker work?
The tracker lets you log compounds, set dosing schedules, record injections with site rotation, and monitor cycle progress. Everything stays in your browser's local storage.
Can I use these tools on mobile?
Absolutely. Every tool is built mobile-first. The tracker, calculators, and planners are fully responsive and work seamlessly on phones, tablets, and desktops.