Start with the population
A study in healthy volunteers, a disease population, animals, or cells answers different questions.
Evidence explainer
A checklist for separating mechanisms, animal findings, pilot human work, and strong clinical evidence.
A study in healthy volunteers, a disease population, animals, or cells answers different questions.
A controlled trial tells you more than an open-label study, case report, or anecdote.
Evidence for one route does not automatically apply to another route, such as topical, oral, intranasal, IV, or injectable use.
Mechanism markers, surrogate endpoints, symptoms, imaging, and hard clinical outcomes answer different questions.
FDA. Compounding and the FDA: Questions and Answers 2026.
Accessed 2026-06-08.
FDA explains that compounded drugs are not FDA-approved and that FDA does not verify their safety, effectiveness, or quality before marketing.