# LabelWise Health > Plain-English guides to supplement and vitamin labels. ## Posts - [What Does Third-Party Tested Mean on Supplements?](https://labelwisehealth.com/what-does-third-party-tested-mean/): "Third-party tested" means an independent organization, not the brand, checked the supplement. - [USP Verified Vitamins: What the Mark Means and How to Check It](https://labelwisehealth.com/usp-verified-vitamins/): A USP Verified Mark means the US Pharmacopeia, an independent nonprofit standards body, checked that the supplement contains what its label says in the stated amounts, doesn't contain harmful levels of specified contaminants, breaks down properly, and was made under good manufacturing practices. ## Pages - [Privacy Policy](https://labelwisehealth.com/privacy-policy/): LabelWise Health ("we", "us") runs the website at https://labelwisehealth.com. - [Home](https://labelwisehealth.com/): Plain-English guides to vitamins and supplements, based on official sources and the labels themselves. - [Contact](https://labelwisehealth.com/contact/): Have a question, a correction or feedback about one of our guides? Send us a message using the form below and the LabelWise Health team will get back to you. - [Affiliate Disclosure](https://labelwisehealth.com/affiliate-disclosure/): LabelWise Health is reader-supported. Some links on this site are affiliate links, which means we may earn a commission if you click a link and make a purchase. - [Medical Disclaimer](https://labelwisehealth.com/medical-disclaimer/): The content on LabelWise Health is provided for general information and education only. - [Editorial Policy](https://labelwisehealth.com/editorial-policy/): This page explains how LabelWise Health researches, writes and updates its content. - [About](https://labelwisehealth.com/about/): LabelWise Health publishes plain-English guides to supplement and vitamin labels. The site is run by the LabelWise Health team. [comment]: # (Generated by Hostinger Tools Plugin)