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Evidence questions

# Ask what the evidence actually covers.

Match the claim to the product.

Ask the clinician, the health professional proposing treatment, for the research behind a promise about a medicine. Then ask which medicine was studied, what it treated and who took part.

Care facts checked in September 2026.

[Start reading](#product-match)

Take this question

Does this source study or review the same product that you are proposing?

[Begin here](#product-match)

On this page

[Ask whether the product matches](#product-match)

[Ask whether the people and purpose match](#people-and-use)

[Keep problem reports in perspective](#problem-reports)

[Read the sources](#reading)

Ask for the answer
in plain words.

## Ask whether the product matches

Start by getting the medicine’s exact name and form, whether a shot, tablet or something else. Ask whether the source discusses that same medicine or a different version.

Preparing a medicine to order is called compounding. As of September 2026, a preparation made through compounding has no Food and Drug Administration (FDA) approval.

FDA calls claims that compounded drugs produce the same proven results as approved medicines misleading.

Ask the clinician what the research actually found. Ask whether the offer promises more than the research showed.

Ask in your own words

Does this source study or review the same product that you are proposing?

## Ask whether the people and purpose match

Ask who was studied, what concern was treated and how the result was measured. Request the explanation without specialist terms.

Ask how that result relates to the circumstances you described. Keep the promised result separate from the result the source reports.

If a promise is vague, ask: “What improvement did the study show for the problem you want to treat in me?”

## Keep problem reports in perspective

An adverse event means an unwanted experience reported during medicine use.

FDA says a report alone does not prove the medicine was the cause of the problem. Sending a report also does not mean its details have been checked and confirmed by a medical professional.

Those reports cannot establish how often a problem occurs.

If someone points to problem reports, ask what they show and what they leave uncertain. Ask whether there are studies of the same problem.

Read with a purpose

## The sources behind these questions

### [Begin with FDA’s approval explanation](https://www.fda.gov/consumers/consumer-updates/it-really-fda-approved)

Read what FDA approval means for a medicine. Claims about an office or laboratory do not show that the medicine is approved.

### [Then read FDA’s compounding explanation](https://www.fda.gov/drugs/human-drug-compounding/compounding-and-fda-questions-and-answers)

This describes the role of custom-made medicines and the review they do not receive. Keep that distinction beside any evidence claim.

### [Compare the wording of the advertised claim](https://www.fda.gov/drugs/human-drug-compounding/fda-telehealth-companies-what-know-when-promoting-compounded-drugs)

FDA explains why claims about approved copies and the same proven results can mislead. Ask what research supports the promises for the exact medicine offered.

### [Read what FDA says problem reports cannot prove](https://www.fda.gov/drugs/fda-adverse-event-monitoring-system-aems/fda-adverse-event-monitoring-system-aems-public-dashboard)

This page explains why reports alone cannot prove a medicine caused harm or show how often harm happens. Keep those limits in mind when someone quotes a number of reports.

Keep the question moving

[Read the limits of the official record](/source-notes/)

[Choose a different page](/#guidebook)

This question kit helps you understand care; this site runs no clinic and does not sell medicines.

[Read the source notes](/source-notes/)

[Text copy of this page](/further-reading/index.md)

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