This app helps to collect data about whatever has a bar code on it. It’s populated by people like you and can be used to decide between products.

https://f-droid.org/packages/openfoodfacts.github.scrachx.openfood

https://play.google.com/store/apps/details?id=org.openfoodfacts.scanner

https://apps.apple.com/us/app/open-food-facts-product-scan/id588797948

I’m sure it has flaws and isn’t the best but that’s a start ? Happy to hear feedbacks !