Guided experiments

Pick the experiment that fits your current hypothesis. Each one ties back to triggers and personas so you can cross-link your learning.

Coffee timing week

Shift espresso until after breakfast to calm Type 6 mornings.

Add 10g of fiber with timing guidelines and stool trend tracking.

A clean one-question method to reduce guesswork and interpret your week with evidence framing.

Same volume, different timing — test whether when you drink water shifts Bristol type toward 3–4.

Start with the trigger guides, then pick the 7-day experiment that matches what you’re seeing.

A clean 7-day method without cutting everything at once.

10 “usual suspects” and how to test them one at a time.