Some phrases are engineered to feel like evidence while committing to almost nothing. 'Clinically proven' and 'doctor formulated' are two of the most reliable. They borrow the authority of science and medicine without necessarily delivering either, and reading them carefully means treating each word as a separate claim to be checked.
'Clinically proven' sounds like a verdict. Pull it apart. 'Clinical' can mean a study took place in some structured setting — but it does not specify how many people, for how long, against what comparison, or measuring what. 'Proven' is doing heavy lifting that a single study almost never earns; science rarely proves, it accumulates evidence. The phrase can sit, technically defensible, atop a small or short study of a marker that may not matter to you.
Ask which thing was proven, and for which product. Sometimes the studied ingredient appears in a finished product at a different amount or in a different form than the one tested. Sometimes the study examined the ingredient in isolation while the claim implies the whole formula. The phrase does not promise that the thing in your hand was the thing in the study.
'Doctor formulated' is even softer. It tells you a person with a medical or scientific background was involved in designing the product. It says nothing about whether the product was tested, whether it works, or whether the broader professional community agrees with the formulation. A credential in the development room is not a result in a study.
Neither phrase is necessarily dishonest. Both can be literally accurate. The issue is the gap between what they legally assert and what a reader naturally infers. They are designed to let your assumptions do the work the words decline to do — and your assumptions reliably overshoot.
So audit the phrase like a contract. What, precisely, is being asserted? What is conspicuously not asserted? Then go looking for the four questions underneath: what was measured, in whom, for how long, at what amount. If the impressive phrase cannot survive those questions, it was packaging, not evidence.