1 February 2018

“Do you believe Rens Kroes?”

Mayonnaise with a blue check mark on the label. Light potato chips. Diet margarine that helps prevent heart attacks. Are these claims even true? And why do people trust Rens Kroes’s lifestyle advice, but don’t trust E-numbers? These are the types of questions that intrigue researcher Alie de Boer.

By: Marie-José van der Wielen (text), Sacha Ruland (photography)