Free Peptide Tools
Free Peptide Tools. Real Pharmacokinetic Math.
These are free demos of the PK reasoning layer baked into the full DoseCraft app. Every calculation runs client-side — no tracking, no signup, no email gate.
Reconstitution
Reconstitution Calculator
BAC water math with a live syringe draw-line. Know the exact unit mark on a U-100 before you pin.
Open toolHalf-Life Decay
Half-Life Decay Curve
Multi-dose superposition across any half-life. See steady-state Cmax and Cmin before you start a protocol.
Open toolInteraction Checker
Stack Overlap Checker
Pair up to 5 compounds. GH-axis redundancy, GLP-1 double-agonism, healing-stack synergy — flagged instantly.
Open toolDose Converter
Dose Unit Converter
mg ↔ mcg ↔ IU ↔ mL. U-100 insulin syringe reference card. HGH IU conversions covered.
Open toolWant all this inside one app, with logging, reminders, and AI?
DoseCraft Pro wraps these calculators around 90+ compounds, a PK-aware AI copilot, vendor trust scores, and a full dose-log engine. One subscription. No ads.
For research use only. Not for human consumption. Not evaluated by the FDA. Not intended to diagnose, treat, cure, or prevent any disease. DoseCraft is an informational tool — not medical advice.