Adherence
Actually taking the medication as prescribed over time — the variable that beats potency in predicting results.
Adherence is the gap between prescriptions written and medicine taken, and in weight treatment it's decisive: real-world GLP-1 results trail trial averages mostly because real life includes missed doses, lapsed refills, and quiet quitting during side-effect weeks. A moderately strong drug taken faithfully outperforms the strongest drug taken sporadically.
Design beats discipline: a fixed injection day tied to an existing ritual, the pill anchored to waking, refills on autopilot before the pen runs dry, side effects reported early enough to manage rather than endured until quitting. This is also the honest tiebreaker between formats — the best medication is reliably the one your actual routine will carry, which is why "daily pill or weekly pen" is a lifestyle question wearing a medical costume.
This glossary entry is general information, not medical advice, and is written to be consistent with FDA prescribing information and primary trial publications as of its last review. Always consult a licensed healthcare provider for personal medical decisions.
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