No, everything (including water bottles, etc.) is taken upon entry. There are sufficient food and beverage points within the Johan Cruijff ArenA to purchase refreshments.
If you are a diabetic patient or have other reasons to bring specific products, please make sure you have a doctor's statement. Afterward, we kindly ask you to email this statement along with your name and ticket details (show date, section, row, and seat number) to email@example.com. We will then notify the security accordingly.