Protocols.is

See Your Blood Levels. Not Broscience.

Pharmacokinetic blood concentration curves for 67 compounds. Multi-compound stacking with steady-state analysis.

Free Tool —
Compounds
Add a compound to get started. Plot up to 4 simultaneously.
Blood Concentration Over Time
Pharmacokinetic data from published literature. Models are approximations. Educational purposes only.

Tools That Replace Guesswork

Every tool is built on published data. No ads. No affiliate nonsense. Just the math.

FFMI Calculator
Where you actually stand relative to natural limits. No ego, just numbers.
Peptide Reconstitution Calculator
Exact syringe volumes, doses per vial, cost per injection. The math done for you.
Testosterone Dose Explorer
What actually happens at every dose from TRT to supraphysiological. Data, not opinions.
Bloodwork Interpreter
Your labs decoded for enhanced athletes. Not the generic ranges your doctor uses.
PCT Protocol Generator
HPTA recovery protocol built from your actual cycle. Not a generic forum template.
GLP-1 Dose Titration Calculator
Clinical titration protocols for semaglutide, tirzepatide, and retatrutide.
Nootropic Stack Builder
Goal-driven nootropic stacks with dosing, timing, and interaction data.
Stack Interaction Checker
Pairwise interaction analysis. Synergies, conflicts, contraindications. Color-coded.
PED Detection Window Calculator
Clearance timelines across every testing method. Know the pharmacokinetics.

Protocols.is

Every compound analyzed. Positives and negatives. No agenda. You make the call.

Browse All Compounds See the Research