Is scraping just correct?

I'd need to scrap to originate a database for an application, nevertheless I don't know if it's just correct… I attempted to read their just correct mentions nevertheless I'm no longer definite about if I in actual fact maintain the beautiful or no longer to scrap their recipes…
Attain you maintain some others infos about this?

I'd need to use the database in my app and tag some informations treasure weight loss program information. The app would be potentially a commercial product.