Tools for athletes
Free, no sign-up. Harm-reduction and measurement calculators that compute what happens to — or how to measure — a dose you enter. They never recommend a protocol; that’s between you and a physician.
Blood-level plotter
Plot any compound's serum curve by half-life — buildup, steady state, peak-to-trough swing for your dose and frequency.
Free testosterone calculator
Free + bioavailable testosterone from total T, SHBG, and albumin (Vermeulen, SI units).
Peptide reconstitution
Vial mg + BAC water + target dose → exact units to draw and doses per vial.
Injection volume
Convert a dose in mg to the volume and insulin-syringe units to draw.
HOMA-IR
Estimate insulin resistance from fasting glucose and insulin — earlier than glucose alone.
TDEE & macros
Maintenance calories, cut/bulk targets, and a protein/carb/fat split from your stats.
FFMI
Height-normalized fat-free mass index — a muscularity benchmark from weight, height, and body fat.
Compare two draws
Paste an earlier and later panel to see what moved — improved, worsened, newly flagged — next to what you changed.
All tools are educational / harm-reduction. Not medical advice, and not a recommendation of any compound, dose, or protocol.