# Supplement Rules Plain
> Supplements are not approved the way medicines are. This plain guide explains what regulators check, what they do not, and what that means for you.

## Guides
- [Dietary Supplement vs Drug: The Core Difference](https://how-supplements-are-regulated.nudaxofe.workers.dev/dietary-supplement-vs-drug-difference/): A dietary supplement and a drug are regulated under different rules, and that difference shapes what a label may say and what has been checked before sale.
- [Facility Registration vs Product Approval](https://how-supplements-are-regulated.nudaxofe.workers.dev/registered-vs-approved-supplement/): Registration means a facility has told the regulator it exists and what it makes.
- [What Good Manufacturing Practice Covers](https://how-supplements-are-regulated.nudaxofe.workers.dev/good-manufacturing-practice-supplements/): Good manufacturing practice is a set of rules about how supplements are made, tested, labeled and stored, not about whether the product works.
- [Structure-Function Claims in Plain English](https://how-supplements-are-regulated.nudaxofe.workers.dev/structure-function-claims-explained/): A structure-function claim describes how a nutrient or ingredient is meant to affect the body's normal structure or function, without saying it treats a.
- [Decoding the Standard Supplement Disclaimer](https://how-supplements-are-regulated.nudaxofe.workers.dev/supplement-disclaimer-language/): The standard supplement disclaimer says the statements on a product have not been evaluated by the FDA and that it is not intended to diagnose, treat, cure or.

## About
- [About Supplement Rules Plain](https://how-supplements-are-regulated.nudaxofe.workers.dev/about/): not medical advice, how the site is funded and how guides are made

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