CALLUS
by Berserk Lab
One app. Every data point.
Zero excuses.
AI-personalized training, nutrition, recovery, and supplement protocols for men who refuse to decline. Built by an operator, grounded in published research. Free with every Berserk Lab order.
No credit card · No subscription · Just your protocol
The Protocol
Training · nutrition · supplements · recovery · mental — built from 6 KB sections, cited with PMIDs. Not generic. Yours.
The Peptide Stack
Opted-in only. BPC-157 dosing math, GLP-1 muscle preservation, TRT axis support. Brand-approved doses. Not Reddit-grade.
The Lab Read
Paste your bloodwork. Per-marker status, Attia-vs-standard targets, exact protocol adjustments. KB-grounded.
The Daily Summary
Athlytic-class telemetry. HRV, strain, sleep, readiness, exertion. Visual. Glanceable. Honest.
The Directive
Three lines every morning. References your specific protocol, yesterday's logs, and what you're fighting for.
The Voice
Tap the mic anywhere. Ask 'is creatine safe?' Get a brand-consistent answer with the actual paper cited. No googling.
For men who refuse to decline · Built for the Ironman, the lifter, the warrior · Free with Berserk Lab orders