# Ad Rules Plain
> Regulators expect health claims to be truthful and supported. A plain guide to what that means for the pages you read and the ads you see.

## Guides
- [Truthful and Substantiated: The Core Advertising Rule](https://ftc-rules-supplement-advertising.pages.dev/truthful-and-substantiated-claims/): The core advertising rule is that claims must be truthful and the seller must be able to support them with suitable evidence before making them.
- [Why Supplements Cannot Claim to Address Disease](https://ftc-rules-supplement-advertising.pages.dev/disease-claims-supplements-not-allowed/): Supplements can be marketed to affect general body function in limited ways, but selling one as a treatment or preventive for a disease is not allowed, which.
- [The Structure-Function Disclaimer in Plain English](https://ftc-rules-supplement-advertising.pages.dev/structure-function-disclaimer/): A structure function disclaimer is the small-print notice saying that a supplement's statements about supporting the body have not been evaluated by the FDA.
- [Reporting a Misleading Health Ad](https://ftc-rules-supplement-advertising.pages.dev/report-misleading-ad/): If you want to report misleading ad copy for a health product, save the ad, note exactly which claim bothers you, and send it to the advertising or consumer.
- [Advertising vs Editorial: Telling Them Apart](https://ftc-rules-supplement-advertising.pages.dev/advertising-vs-editorial-content/): Advertising vs editorial content comes down to who benefits and who controls the words.

## About
- [About Ad Rules Plain](https://ftc-rules-supplement-advertising.pages.dev/about/): not medical advice, how the site is funded and how guides are made

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