Fructose "fruit sugar" is so named due to its occurrence in fruit. Check this[0] list to see the fructose content of various fruits. Lustig[1] says the reason

Fructose "fruit sugar" is so named due to its occurrence in fruit. Check this[0] list to see the fructose content of various fruits. Lustig[1] says the reason naturally occurring fructose is not as harmful as industrial fructose is that fruit also contains fiber, which slows down the absorption of fructose. [0] https://thepaleodiet.com/fruits-and-sugars/ https://thepaleodiet.com/fruits-and-sugars/ [1] https://www.youtube.com/watch?v=dBnniua6-oM https://www.youtube.com/watch?v=dBnniua6-oM