Lesson 26 of 36 · 10 min
Tracking results & what to expect.
If you do not know where you started, it is surprisingly hard to know what changed. Good tracking turns impressions into something you can compare over time.
Start before the protocol starts
A baseline gives every later result something to compare against.
Define the goal
Write down the outcome you actually care about before you start collecting data.
Choose a measurement
Use a measurement that matches the goal: scale weight, waist, training output, symptom score, lab value, skin photo or another relevant marker.
Record the protocol
Track amount, frequency, changes in schedule and dates so you can connect outcomes to what actually happened.
Use consistent conditions
Photos, measurements and performance tests are much more useful when lighting, timing, equipment and method stay consistent.
Objective and subjective data
Both can be useful, but they answer different questions.
Objective
Measured values such as body weight, circumference, lab results, training output, sleep-device data or standardized photos.
Subjective
Your own ratings of appetite, soreness, energy, focus, libido, pain, sleep quality or another experience. Useful when recorded consistently instead of from memory.
A simple weekly log
Protocol
What did I actually use?
Primary outcome
What changed in the thing I care about most?
Secondary effects
What else changed, positively or negatively?
Context
Did training, diet, sleep, illness or another variable change too?
What to expect
Different outcomes move on different timelines.
Timing depends on the specific compound and the outcome being tracked. Some subjective or signalling-related changes can appear sooner, while outcomes involving tissue remodelling, body composition, training adaptation or other slower biological processes usually need a longer observation window.
Immediate / short-term
Some subjective effects, appetite-related changes or other rapidly changing signals may appear sooner, depending on the specific compound and outcome.
Medium-term
Performance, recovery patterns, skin changes or body-composition trends often need repeated observations rather than one day.
Longer-term
Structural, body-composition or longer-term metabolic outcomes may require a longer timeframe and repeated objective measurements to evaluate properly.
Make the comparison fair
Use the same measurement method
A waist measurement taken in different places or a photo taken in completely different lighting creates noise.
Keep dates and protocol changes
If the amount, frequency or product changes, record the date so the timeline still makes sense.
Watch the confounders
Training volume, diet, sleep, illness, other medicines and supplements can all change the outcome you are tracking.
Look for a trend
One unusually good or bad day is less informative than a consistent change across repeated measurements.
Why self-tracking can fool you
A change after you start something is not automatically a change caused by it.
Regression to the mean
People often start tracking when a symptom or measurement is unusually bad. Extreme values frequently move closer to their usual level on later measurements even without an intervention.
Expectation effects
Knowing you started something can change how subjective outcomes such as pain, energy, appetite or sleep are noticed and reported.
Measurement error
Smart scales, photos, circumference, wearables and self-ratings all contain noise. Repeated measurements under consistent conditions are more informative than one datapoint.
Confounding
If diet, training, sleep, another medicine, illness or stress changed at the same time, attribution becomes much weaker.
At reassessment
Ask the same question you started with.
Did the primary outcome move? Compare it with baseline, not with memory.
Was the change meaningful? A measurable change and a useful change are not always the same thing.
What else changed? Include both positive effects and tolerability.
Was the protocol followed consistently? If not, interpret the result accordingly.
Key takeaways
- ✓Set a baseline before you start judging results.
- ✓Track the outcome that matches the goal.
- ✓Objective and subjective data are both useful when recorded consistently.
- ✓Different biological outcomes can operate on different timelines.
- ✓Record protocol changes and outside variables so the result remains interpretable.
Further reading
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