Interactive Tools
Free Hormone & Peptide Tools
Clinical-grade calculators and personalized quizzes built for men optimizing their hormones. No account required. No data collected. Just tools that work.
Peptide Reconstitution Calculator
Enter your vial size, bacteriostatic water volume, and desired dose. See exactly how many insulin syringe units to draw, with an interactive visual syringe reference.
Free Testosterone Calculator
Calculate your bioavailable and free testosterone from Total T, SHBG, and Albumin using the Vermeulen equation. Compare your results to age-adjusted reference ranges.
Stack Recommendation Quiz
Answer 10 questions about your goals, health status, and experience level. Get a personalized hormone stack recommendation with dosing guidelines and required bloodwork.
Why We Built These Tools
The hormone optimization space is full of confusing math, conflicting dosing charts, and forum posts that leave you more confused than when you started. We built these calculators to give men a single, reliable reference they can trust every time they mix a peptide, interpret bloodwork, or choose a protocol.
Every tool on this page is free, requires no account, and collects no personal data. The calculations are based on standard pharmacological formulas used by compounding pharmacists and endocrinologists. We show the math at every step so you can verify the results yourself.
These tools are for informational and educational purposes only. They do not replace the guidance of a licensed healthcare provider. Always confirm dosing decisions with your prescribing physician or pharmacist before administering any therapy.