# Review Reader > Supplement reviews are often paid or copied. Learn how to tell a genuine experience from marketing, and what a review can never prove. ## Guides - [How Affiliate Review Sites Make Money and Why It Matters](https://chewable-reviews-how-to-read.kulafe.workers.dev/affiliate-review-sites-disclosure/): Many sites that publish product reviews are paid a commission when a reader clicks through and buys, which gives them a reason to sound positive. - [Signs a Supplement Review Was Written to Sell](https://chewable-reviews-how-to-read.kulafe.workers.dev/fake-supplement-reviews-signs/): Reviews written to sell tend to share the same habits: all praise, no drawbacks, borrowed benefit claims and pressure to act. - [What a Verified-Purchase Tag Does Not Tell You](https://chewable-reviews-how-to-read.kulafe.workers.dev/verified-purchase-review-limits/): A verified-purchase tag usually means only that the reviewer bought the item through that retailer. - [Why Photo Comparisons Prove Little](https://chewable-reviews-how-to-read.kulafe.workers.dev/photo-comparisons-supplements/): A before-and-after picture shows two moments, not a cause. - [Where to Find Independent Information About Supplements](https://chewable-reviews-how-to-read.kulafe.workers.dev/independent-supplement-information/): Independent supplement information comes from sources with no stake in your purchase: the label itself, public health and regulator pages, your dentist, doctor. ## About - [About Review Reader](https://chewable-reviews-how-to-read.kulafe.workers.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://chewable-reviews-how-to-read.kulafe.workers.dev/feed.xml)