Remarks on the concentrated extract; or, anima of quassia, (in the form of pills) lately invented, and prepared by Hallam & Co. Which is found to be an incomparable remedy for weak and debilitated constitutions ... In short, in all cases where the constitution has been reduced by disease or irregularities.
The pattern
This still is filed under Borrowed medical authority.
Define
The claim wears a lab coat: a diagram, a percentage, a clinical tone that is not necessarily a clinician.
Mechanism
Authority costume. Science-looking form transfers trust. Use it only when the substance matches, or we are documenting a historical mechanism. We do not recommend the abuse.
Verdict
We have real evidence and the buyer needs it in a form they already trust: a chart, a protocol, a named standard.
Why it works
It targets specific lifestyle ailments (hot climates, intemperance) under the guise of medical treatment. The prominent warning about counterfeiters implicitly suggests the product is so effective and popular that it is widely copied.
Steal this when
Selling a premium product where pointing out cheap knock-offs enhances your own perceived value and desirability.