What Letz Does—and Will Never Do—for Injection (GLP-1) Support

A health app that only talks about what it gets right is misleading. Anyone undergoing treatment needs to know where a tool stops before trusting it—and that boundary must be explicitly stated, not implied.

Letz intentionally keeps a narrow scope: medication is strictly the prescriber's domain. Our role covers everything built around it, which is precisely where the scientific literature identifies the most well-supported interventions.

It keeps at least two strength sessions in every week—not even edits made through the coach can drop below that—and on low-energy days it shortens the session instead of canceling it.

It puts a floor under the daily protein target and splits it into four smaller meals that fit a reduced appetite.

It keeps the water goal in view, because the injection also dulls thirst.

It prepares for the maintenance phase from day one, because the literature clearly shows that maintenance determines long-term outcomes.

It does not recommend or advise against medication. It does not suggest dosages, dose adjustments, active ingredient changes, or whether and when to stop treatment. None of these decisions can be made using the data an app collects.

It does not present injury risk as a probability: no training load model predicts individual injury with meaningful precision, and pretending otherwise would be selling false confidence.

It does not treat estimates as precise measurements. Body composition from bioimpedance, photo-based calorie logging, and smartwatch sleep tracking are displayed with explicit uncertainty—using ranges when error margins are wide, and labeled 'still learning' when data is insufficient.

And it does not treat strong symptoms as a coaching matter. In that case the guidance is a single one: seek medical care.