N=1 After 40

Biological performance after 40

N=1 After 40

What I try, what I measure, what changes, what I stop. A public experiment ledger, not medical advice.

View daily stack First ledger section online

Daily Stack

What I do and take day by day.

The current stack is organized by routine window, amount, source, serving, and schedule.

Open daily stack

Training

Rotation and strength markers.

The public training ledger tracks the rolling plan and monthly strength markers used as experiment context.

Open training

Experiment Log

Record the intervention, the metric, and the uncertainty.

Entries will separate mechanism, outcome, confounders, and the next decision.

Open experiments

Decision Log

Stopping and passing count as useful data.

Some experiments are not worth running. That reasoning belongs in the ledger too.