Is la croix’s “natural essence” just natural flavor?

I’m trying not to eat anything with natural or artificial flavors for a week because I just went crazy with junk food on vacation and now I’m craving junk food constantly which is unusual for me. I also caved after years of no soda and every time we were at the store I was buying a 20oz soda from the fridges at the front.

I used to drink la croix a lot but I’m not sure about the flavoring. I adore san pelligrino and I can make my own flavored fruit water if I need to but I was wondering if there was any canned anything I can buy with real fruit in it and not fruit flavorings?